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 <assert.h>
34 : #include <stdint.h>
35 : #include "options.h"
36 : #include <math.h>
37 : #include "cnst.h"
38 : #include "prot.h"
39 : #include "ivas_prot.h"
40 : #include "ivas_prot_rend.h"
41 : #include "ivas_cnst.h"
42 : #include "ivas_rom_com.h"
43 : #include "ivas_rom_dec.h"
44 : #include "ivas_rom_rend.h"
45 : #ifdef DEBUGGING
46 : #include "debug.h"
47 : #endif
48 : #include "wmc_auto.h"
49 :
50 :
51 : /*-----------------------------------------------------------------------*
52 : * Local function prototypes
53 : *-----------------------------------------------------------------------*/
54 :
55 14052 : static ivas_error ivas_dirac_dec_config_internal(
56 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
57 : const DIRAC_CONFIG_FLAG flag_config_inp /* i/ : Flag determining if we open or reconfigure the DirAC decoder */
58 : )
59 : {
60 : DIRAC_DEC_HANDLE hDirAC;
61 : ivas_error error;
62 : DIRAC_CONFIG_FLAG flag_config;
63 :
64 14052 : flag_config = ( flag_config_inp == DIRAC_RECONFIGURE_MODE ) ? DIRAC_RECONFIGURE : flag_config_inp;
65 14052 : error = IVAS_ERR_OK;
66 :
67 14052 : hDirAC = NULL;
68 :
69 14052 : if ( flag_config == DIRAC_RECONFIGURE )
70 : {
71 12489 : hDirAC = st_ivas->hDirAC;
72 : }
73 1563 : else if ( flag_config == DIRAC_OPEN )
74 : {
75 : /*-----------------------------------------------------------------*
76 : * prepare library opening
77 : *-----------------------------------------------------------------*/
78 :
79 1563 : if ( ( hDirAC = (DIRAC_DEC_HANDLE) malloc( sizeof( DIRAC_DEC_DATA ) ) ) == NULL )
80 : {
81 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
82 : }
83 :
84 1563 : if ( ( hDirAC->hConfig = (DIRAC_CONFIG_DATA_HANDLE) malloc( sizeof( DIRAC_CONFIG_DATA ) ) ) == NULL )
85 : {
86 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC Config\n" ) );
87 : }
88 :
89 1563 : st_ivas->hDirAC = hDirAC;
90 : }
91 :
92 : /*-----------------------------------------------------------------*
93 : * DirAC main configuration
94 : *-----------------------------------------------------------------*/
95 :
96 14052 : if ( ( error = ivas_dirac_config( (void *) st_ivas, DEC ) ) != IVAS_ERR_OK )
97 : {
98 0 : return error;
99 : }
100 :
101 14052 : if ( flag_config == DIRAC_OPEN )
102 : {
103 1563 : hDirAC->spar_to_dirac_write_idx = ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT ) ? DELAY_DIRAC_PARAM_DEC_SFR : 0;
104 1563 : hDirAC->dithering_seed = DIRAC_DITH_SEED;
105 1563 : st_ivas->hDirAC = hDirAC;
106 : }
107 :
108 14052 : return error;
109 : }
110 :
111 :
112 6867 : static ivas_error ivas_dirac_rend_config(
113 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
114 : const DIRAC_CONFIG_FLAG flag_config_inp, /* i/ : Flag determining if we open or reconfigure the DirAC decoder */
115 : const int16_t dec_param_estim_old )
116 : {
117 : DIRAC_DEC_HANDLE hDirAC;
118 : int16_t nchan_out_woLFE;
119 : int16_t nchan_transport;
120 : int16_t nchan_transport_old;
121 : int16_t num_outputs_dir_old;
122 : int16_t num_outputs_diff_old;
123 : int16_t num_protos_diff_old;
124 : float *proto_frame_f_old;
125 : int16_t proto_signal_decorr_on_old;
126 : uint16_t i, j, k;
127 : float ls_azimuth[MAX_OUTPUT_CHANNELS];
128 : float ls_elevation[MAX_OUTPUT_CHANNELS];
129 : int32_t output_Fs, ivas_total_brate;
130 : ivas_error error;
131 : int16_t nchan_transport_orig;
132 : int16_t hodirac_flag;
133 : DIRAC_CONFIG_FLAG flag_config;
134 : DIRAC_REND_HANDLE hDirACRend;
135 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
136 :
137 6867 : flag_config = ( flag_config_inp == DIRAC_RECONFIGURE_MODE ) ? DIRAC_RECONFIGURE : flag_config_inp;
138 6867 : error = IVAS_ERR_OK;
139 :
140 6867 : hDirACRend = NULL;
141 6867 : output_Fs = st_ivas->hDecoderConfig->output_Fs;
142 6867 : ivas_total_brate = st_ivas->hDecoderConfig->ivas_total_brate;
143 6867 : hodirac_flag = ivas_get_hodirac_flag( ivas_total_brate, st_ivas->sba_analysis_order );
144 :
145 6867 : hDirAC = st_ivas->hDirAC;
146 6867 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
147 :
148 6867 : if ( flag_config == DIRAC_RECONFIGURE )
149 : {
150 5571 : hDirACRend = st_ivas->hDirACRend;
151 : }
152 1296 : else if ( flag_config == DIRAC_OPEN )
153 : {
154 : /*-----------------------------------------------------------------*
155 : * prepare library opening
156 : *-----------------------------------------------------------------*/
157 :
158 1296 : if ( ( hDirACRend = (DIRAC_REND_HANDLE) malloc( sizeof( DIRAC_REND_DATA ) ) ) == NULL )
159 : {
160 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC renderer\n" ) );
161 : }
162 :
163 1296 : nchan_transport_old = 0;
164 : }
165 :
166 6867 : nchan_transport_old = 0;
167 6867 : num_outputs_dir_old = 0;
168 6867 : num_outputs_diff_old = 0;
169 6867 : num_protos_diff_old = 0;
170 :
171 6867 : nchan_transport_orig = st_ivas->nchan_transport;
172 6867 : if ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
173 : {
174 2814 : st_ivas->nchan_transport = ivas_sba_get_nchan_metadata( st_ivas->sba_analysis_order, st_ivas->hDecoderConfig->ivas_total_brate );
175 : }
176 :
177 6867 : nchan_transport = st_ivas->nchan_transport;
178 6867 : if ( st_ivas->ivas_format == MASA_FORMAT && ivas_total_brate < MASA_STEREO_MIN_BITRATE && ivas_total_brate > IVAS_SID_5k2 )
179 : {
180 825 : nchan_transport = 1;
181 : }
182 6867 : if ( flag_config == DIRAC_RECONFIGURE && ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT ) )
183 : {
184 : int16_t tmp1, tmp2, tmp3;
185 2115 : ivas_sba_config( ivas_total_brate, st_ivas->sba_analysis_order, -1, &nchan_transport_old, st_ivas->sba_planar, &tmp1, &tmp2, &tmp3 );
186 : }
187 :
188 : /*-----------------------------------------------------------------*
189 : * output setup: for parametric binaural renderer, use output setup, otherwise internal setup
190 : *-----------------------------------------------------------------*/
191 :
192 6867 : hDirACRend->hOutSetup = st_ivas->hIntSetup;
193 6867 : nchan_out_woLFE = hDirACRend->hOutSetup.nchan_out_woLFE;
194 :
195 6867 : if ( hDirACRend->hOutSetup.ls_azimuth != NULL && hDirACRend->hOutSetup.ls_elevation != NULL )
196 : {
197 2799 : mvr2r( hDirACRend->hOutSetup.ls_azimuth, ls_azimuth, nchan_out_woLFE );
198 2799 : mvr2r( hDirACRend->hOutSetup.ls_elevation, ls_elevation, nchan_out_woLFE );
199 : }
200 :
201 6867 : if ( hDirACRend->hOutSetup.ambisonics_order == -1 )
202 : {
203 3126 : hDirACRend->hOutSetup.ambisonics_order = SBA_HOA3_ORDER; /* Order 3 is used by default in DirAC for SHD processing */
204 3126 : if ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_MONO || hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_STEREO )
205 : {
206 327 : hDirACRend->hOutSetup.ambisonics_order = SBA_FOA_ORDER;
207 : }
208 : }
209 3741 : else if ( hDirACRend->hOutSetup.ambisonics_order >= SBA_FOA_ORDER )
210 : {
211 3741 : mvr2r( ls_azimuth_4d4, ls_azimuth, DIRAC_HOA_RENDERING_NUM_VIRT_DECORR_LS );
212 3741 : mvr2r( ls_elevation_4d4, ls_elevation, DIRAC_HOA_RENDERING_NUM_VIRT_DECORR_LS );
213 : }
214 :
215 6867 : if ( hDirACRend->hOutSetup.separateChannelEnabled && ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1 || hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1 || hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_2 || hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_4 || hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1_4 || ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM && st_ivas->hLsSetupCustom->separate_ch_found ) ) )
216 : {
217 : /* Remove the channel of the separated signal from the output setup of the spatial synthesis */
218 75 : hDirACRend->hOutSetup.nchan_out_woLFE--;
219 75 : nchan_out_woLFE = hDirACRend->hOutSetup.nchan_out_woLFE;
220 75 : mvr2r( &ls_azimuth[hDirACRend->hOutSetup.separateChannelIndex + 1], &ls_azimuth[hDirACRend->hOutSetup.separateChannelIndex], nchan_out_woLFE - hDirACRend->hOutSetup.separateChannelIndex );
221 75 : mvr2r( &ls_elevation[hDirACRend->hOutSetup.separateChannelIndex + 1], &ls_elevation[hDirACRend->hOutSetup.separateChannelIndex], nchan_out_woLFE - hDirACRend->hOutSetup.separateChannelIndex );
222 : }
223 :
224 : /*-----------------------------------------------------------------*
225 : * set input parameters
226 : *-----------------------------------------------------------------*/
227 :
228 6867 : st_ivas->nchan_transport = nchan_transport_orig;
229 :
230 6867 : if ( nchan_transport_orig > 2 && hDirACRend->hOutSetup.is_loudspeaker_setup && st_ivas->renderer_type == RENDERER_DIRAC && !hodirac_flag )
231 : {
232 138 : hDirACRend->synthesisConf = DIRAC_SYNTHESIS_PSD_LS;
233 138 : hDirACRend->panningConf = DIRAC_PANNING_VBAP;
234 : }
235 6729 : else if ( ( st_ivas->ivas_format == MASA_FORMAT || st_ivas->mc_mode == MC_MODE_MCMASA ) && hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_MONO )
236 : {
237 327 : hDirACRend->synthesisConf = DIRAC_SYNTHESIS_MONO;
238 327 : hDirACRend->panningConf = DIRAC_PANNING_HOA3;
239 327 : nchan_out_woLFE = 1;
240 : }
241 6402 : else if ( ( st_ivas->ivas_format == MASA_FORMAT || st_ivas->ivas_format == MASA_ISM_FORMAT || st_ivas->mc_mode == MC_MODE_MCMASA ) && hDirACRend->hOutSetup.is_loudspeaker_setup )
242 : {
243 2490 : hDirACRend->synthesisConf = DIRAC_SYNTHESIS_PSD_LS;
244 2490 : hDirACRend->panningConf = DIRAC_PANNING_VBAP;
245 : }
246 3912 : else if ( ( st_ivas->ivas_format == MASA_FORMAT || st_ivas->ivas_format == MASA_ISM_FORMAT ) && !hDirACRend->hOutSetup.is_loudspeaker_setup && st_ivas->nchan_transport > 1 )
247 : {
248 1227 : hDirACRend->synthesisConf = DIRAC_SYNTHESIS_PSD_SHD;
249 1227 : hDirACRend->panningConf = DIRAC_PANNING_HOA3;
250 : }
251 : else
252 : {
253 2685 : hDirACRend->synthesisConf = DIRAC_SYNTHESIS_GAIN_SHD;
254 2685 : hDirACRend->panningConf = DIRAC_PANNING_HOA3;
255 : }
256 :
257 6867 : if ( flag_config == DIRAC_OPEN )
258 : {
259 1296 : if ( ( hDirACRend->frequency_axis = (float *) malloc( hSpatParamRendCom->num_freq_bands * sizeof( float ) ) ) == NULL )
260 : {
261 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
262 : }
263 1296 : set_f( hDirACRend->frequency_axis, 0.0f, hSpatParamRendCom->num_freq_bands );
264 :
265 1296 : ivas_dirac_dec_get_frequency_axis( hDirACRend->frequency_axis, output_Fs, hSpatParamRendCom->num_freq_bands );
266 : }
267 :
268 6867 : if ( ( st_ivas->ivas_format == MASA_FORMAT || st_ivas->mc_mode == MC_MODE_MCMASA ) && hDirACRend->panningConf == DIRAC_PANNING_HOA3 && nchan_transport == 2 )
269 : {
270 408 : if ( ( flag_config == DIRAC_RECONFIGURE && hDirACRend->masa_stereo_type_detect == NULL ) || flag_config == DIRAC_OPEN )
271 : {
272 246 : if ( ( hDirACRend->masa_stereo_type_detect = (MASA_STEREO_TYPE_DETECT *) malloc( sizeof( MASA_STEREO_TYPE_DETECT ) ) ) == NULL )
273 : {
274 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
275 : }
276 : }
277 408 : ivas_masa_init_stereotype_detection( hDirACRend->masa_stereo_type_detect );
278 : }
279 : else
280 : {
281 6459 : if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->masa_stereo_type_detect != NULL )
282 : {
283 72 : free( hDirACRend->masa_stereo_type_detect );
284 : }
285 6459 : hDirACRend->masa_stereo_type_detect = NULL;
286 : }
287 :
288 6867 : hSpatParamRendCom->numIsmDirections = 0; /* By default, no ism directions, set correct number runtime when needed */
289 :
290 : /*-----------------------------------------------------------------*
291 : * (re)configure sub-modules
292 : *-----------------------------------------------------------------*/
293 :
294 : /* prototype signal computation */
295 6867 : if ( flag_config == DIRAC_RECONFIGURE )
296 : {
297 5571 : num_outputs_dir_old = hDirACRend->num_outputs_dir;
298 5571 : num_outputs_diff_old = hDirACRend->num_outputs_diff;
299 5571 : num_protos_diff_old = hDirACRend->num_protos_diff;
300 : }
301 :
302 : /* allocate output setup related arrays */
303 6867 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS )
304 : {
305 : /* Directional and diffuses components in output LS format */
306 2628 : hDirACRend->num_outputs_diff = nchan_out_woLFE;
307 2628 : hDirACRend->num_outputs_dir = nchan_out_woLFE;
308 : }
309 4239 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
310 : {
311 : /* Directional and diffuses components in SHD */
312 : /* Diffuseness components up to 1st order */
313 2685 : hDirACRend->num_outputs_diff = ( min( hDirACRend->hOutSetup.ambisonics_order, 1 ) + 1 ) * ( min( hDirACRend->hOutSetup.ambisonics_order, 1 ) + 1 );
314 2685 : hDirACRend->num_outputs_dir = ivas_sba_get_nchan( hDirACRend->hOutSetup.ambisonics_order, 0 );
315 : }
316 1554 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD )
317 : {
318 1227 : hDirACRend->num_outputs_diff = DIRAC_HOA_RENDERING_NUM_VIRT_DECORR_LS;
319 1227 : hDirACRend->num_outputs_dir = nchan_out_woLFE;
320 : }
321 327 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO )
322 : {
323 327 : hDirACRend->num_outputs_diff = 1; /* There is one output channel in mono */
324 327 : hDirACRend->num_outputs_dir = 2; /* Two channels are pre-rendered for stereo type detection */
325 : }
326 : else
327 : {
328 0 : assert( 0 && "DirAC: not existing synthesis methods!" );
329 : }
330 :
331 6867 : if ( flag_config == DIRAC_OPEN )
332 : {
333 1296 : num_outputs_dir_old = hDirACRend->num_outputs_dir;
334 1296 : if ( ( hDirACRend->proto_index_dir = (int16_t *) malloc( sizeof( int16_t ) * hDirACRend->num_outputs_dir ) ) == NULL )
335 : {
336 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
337 : }
338 1296 : num_outputs_diff_old = hDirACRend->num_outputs_diff;
339 1296 : if ( ( hDirACRend->proto_index_diff = (int16_t *) malloc( sizeof( int16_t ) * hDirACRend->num_outputs_diff ) ) == NULL )
340 : {
341 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
342 : }
343 : }
344 :
345 6867 : if ( hDirACRend->num_outputs_dir != num_outputs_dir_old && flag_config == DIRAC_RECONFIGURE )
346 : {
347 183 : free( hDirACRend->proto_index_dir );
348 183 : if ( ( hDirACRend->proto_index_dir = (int16_t *) malloc( sizeof( int16_t ) * hDirACRend->num_outputs_dir ) ) == NULL )
349 : {
350 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
351 : }
352 : }
353 6867 : set_s( hDirACRend->proto_index_dir, 0, hDirACRend->num_outputs_dir );
354 :
355 6867 : if ( hDirACRend->num_outputs_diff != num_outputs_diff_old && flag_config == DIRAC_RECONFIGURE )
356 : {
357 183 : free( hDirACRend->proto_index_diff );
358 183 : if ( ( hDirACRend->proto_index_diff = (int16_t *) malloc( sizeof( int16_t ) * hDirACRend->num_outputs_diff ) ) == NULL )
359 : {
360 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
361 : }
362 : }
363 6867 : set_s( hDirACRend->proto_index_diff, 0, hDirACRend->num_outputs_diff );
364 :
365 6867 : hDirACRend->sba_map_tc = sba_map_tc;
366 :
367 6867 : if ( ( st_ivas->ivas_format == SBA_FORMAT ) || ( st_ivas->ivas_format == SBA_ISM_FORMAT ) )
368 : {
369 2814 : if ( st_ivas->sba_order > SBA_FOA_ORDER && ivas_total_brate >= IVAS_512k )
370 : {
371 198 : hDirACRend->sba_map_tc = sba_map_tc_512;
372 : }
373 : }
374 :
375 6867 : if ( nchan_transport == 1 )
376 : {
377 1446 : hDirACRend->num_protos_ambi = 1;
378 1446 : hDirACRend->num_protos_dir = 1;
379 1446 : hDirACRend->num_protos_diff = 1;
380 : }
381 5421 : else if ( nchan_transport == 2 )
382 : {
383 2607 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
384 : {
385 0 : hDirACRend->num_protos_ambi = 2;
386 0 : hDirACRend->num_protos_diff = 1;
387 0 : hDirACRend->num_protos_dir = 2;
388 0 : hDirACRend->proto_index_dir[1] = 1;
389 : }
390 2607 : else if ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_MONO )
391 : {
392 : /* Following the foa rendering for code compatibility */
393 327 : hDirACRend->num_protos_ambi = 2;
394 327 : hDirACRend->num_protos_dir = 2;
395 327 : hDirACRend->num_protos_diff = 3;
396 327 : hDirACRend->proto_index_dir[0] = 0;
397 327 : hDirACRend->proto_index_diff[0] = 0;
398 : }
399 : else
400 : {
401 2280 : hDirACRend->num_protos_ambi = 2;
402 2280 : hDirACRend->num_protos_diff = 3;
403 :
404 20487 : for ( k = 0; k < hDirACRend->num_outputs_diff; k++ )
405 : {
406 18207 : if ( ls_azimuth[k] > 0.0f )
407 : {
408 8451 : hDirACRend->proto_index_diff[k] = 1;
409 : }
410 9756 : else if ( ls_azimuth[k] < 0.0f )
411 : {
412 8451 : hDirACRend->proto_index_diff[k] = 2;
413 : }
414 : else
415 : {
416 1305 : hDirACRend->proto_index_diff[k] = 0;
417 : }
418 : }
419 :
420 2280 : if ( hDirACRend->hOutSetup.is_loudspeaker_setup )
421 : {
422 1380 : hDirACRend->num_protos_dir = 3;
423 1380 : mvs2s( hDirACRend->proto_index_diff, hDirACRend->proto_index_dir, nchan_out_woLFE );
424 : }
425 : else
426 : {
427 900 : hDirACRend->num_protos_dir = 2;
428 900 : hDirACRend->proto_index_dir[1] = 1;
429 : }
430 : }
431 : }
432 : else /* nchan_transport > 2 */
433 : {
434 2814 : hDirACRend->num_protos_ambi = 4;
435 2814 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS )
436 : {
437 138 : hDirACRend->num_protos_diff = hDirACRend->num_outputs_diff;
438 1641 : for ( k = 0; k < hDirACRend->num_outputs_diff; k++ )
439 : {
440 1503 : hDirACRend->proto_index_diff[k] = k;
441 : }
442 :
443 138 : hDirACRend->num_protos_dir = hDirACRend->num_outputs_dir;
444 1641 : for ( k = 0; k < hDirACRend->num_outputs_dir; k++ )
445 : {
446 1503 : hDirACRend->proto_index_dir[k] = k;
447 : }
448 : }
449 : else
450 : {
451 2676 : hDirACRend->num_protos_diff = 1;
452 2676 : hDirACRend->num_protos_dir = nchan_transport;
453 :
454 15750 : for ( k = 0; k < min( hDirACRend->num_outputs_dir, hDirACRend->num_protos_dir ); k++ )
455 : {
456 13074 : if ( hDirACRend->sba_map_tc[k] < hDirACRend->num_outputs_dir )
457 : {
458 13074 : hDirACRend->proto_index_dir[hDirACRend->sba_map_tc[k]] = k;
459 : }
460 : }
461 : }
462 : }
463 :
464 : /* direct/diffuse responses */
465 6867 : if ( flag_config == DIRAC_OPEN )
466 : {
467 1296 : if ( ( hDirACRend->diffuse_response_function = (float *) malloc( sizeof( float ) * hDirACRend->num_outputs_dir ) ) == NULL )
468 : {
469 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
470 : }
471 : }
472 : /* reallocate static memory */
473 5571 : else if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->num_outputs_dir != num_outputs_dir_old )
474 : {
475 183 : free( hDirACRend->diffuse_response_function );
476 183 : hDirACRend->diffuse_response_function = NULL;
477 183 : if ( ( hDirACRend->diffuse_response_function = (float *) malloc( sizeof( float ) * hDirACRend->num_outputs_dir ) ) == NULL )
478 : {
479 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
480 : }
481 : }
482 :
483 6867 : if ( ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS ) || ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD ) || ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO ) )
484 : {
485 4182 : initDiffuseResponses( hDirACRend->diffuse_response_function, nchan_out_woLFE, hDirACRend->hOutSetup.output_config,
486 4182 : hDirACRend->hOutSetup, hDirACRend->hOutSetup.ambisonics_order, st_ivas->ivas_format, &hDirACRend->num_ele_spk_no_diffuse_rendering, st_ivas->transport_config );
487 : }
488 : else
489 : {
490 2685 : initDiffuseResponses( hDirACRend->diffuse_response_function, hDirACRend->num_outputs_dir, IVAS_AUDIO_CONFIG_FOA,
491 2685 : hDirACRend->hOutSetup, hDirACRend->hOutSetup.ambisonics_order, st_ivas->ivas_format, &hDirACRend->num_ele_spk_no_diffuse_rendering, IVAS_AUDIO_CONFIG_INVALID );
492 : }
493 :
494 6867 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD )
495 : {
496 1227 : if ( flag_config == DIRAC_OPEN )
497 : {
498 30 : if ( ( hDirACRend->hoa_encoder = (float *) malloc( nchan_out_woLFE * hDirACRend->num_outputs_diff * sizeof( float ) ) ) == NULL )
499 : {
500 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
501 : }
502 : }
503 1197 : else if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->hoa_encoder && ( hDirACRend->num_outputs_diff != num_outputs_diff_old ) )
504 : {
505 0 : free( hDirACRend->hoa_encoder );
506 0 : hDirACRend->hoa_encoder = NULL;
507 0 : if ( ( hDirACRend->hoa_encoder = (float *) malloc( nchan_out_woLFE * hDirACRend->num_outputs_diff * sizeof( float ) ) ) == NULL )
508 : {
509 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
510 : }
511 : }
512 1227 : set_f( hDirACRend->hoa_encoder, 0.0f, nchan_out_woLFE * hDirACRend->num_outputs_diff );
513 1227 : compute_hoa_encoder_mtx( ls_azimuth, ls_elevation, hDirACRend->hoa_encoder, hDirACRend->num_outputs_diff, hDirACRend->hOutSetup.ambisonics_order );
514 : }
515 : else
516 : {
517 5640 : if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->hoa_encoder )
518 : {
519 0 : free( hDirACRend->hoa_encoder );
520 : }
521 5640 : hDirACRend->hoa_encoder = NULL;
522 : }
523 :
524 : /* VBAP */
525 6867 : if ( flag_config == DIRAC_OPEN )
526 : {
527 1296 : st_ivas->hVBAPdata = NULL;
528 : }
529 :
530 6867 : if ( hDirACRend->panningConf == DIRAC_PANNING_VBAP )
531 : {
532 2628 : if ( flag_config == DIRAC_RECONFIGURE && st_ivas->hVBAPdata != NULL )
533 : {
534 2154 : vbap_free_data( &( st_ivas->hVBAPdata ) );
535 : }
536 :
537 2628 : if ( ( error = vbap_init_data( &( st_ivas->hVBAPdata ), ls_azimuth, ls_elevation, nchan_out_woLFE, st_ivas->ivas_format ) ) != IVAS_ERR_OK )
538 : {
539 0 : return error;
540 : }
541 : }
542 4239 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO )
543 : {
544 327 : if ( flag_config == DIRAC_RECONFIGURE && st_ivas->hVBAPdata != NULL )
545 : {
546 0 : vbap_free_data( &( st_ivas->hVBAPdata ) );
547 : }
548 327 : hDirACRend->hoa_decoder = NULL;
549 : }
550 3912 : else if ( flag_config == DIRAC_RECONFIGURE && st_ivas->hVBAPdata != NULL )
551 : {
552 72 : vbap_free_data( &( st_ivas->hVBAPdata ) );
553 : }
554 :
555 : /* HOA panning/dec */
556 6867 : if ( flag_config == DIRAC_OPEN )
557 : {
558 1296 : hDirACRend->hoa_decoder = NULL;
559 1296 : if ( ( hDirACRend->panningConf == DIRAC_PANNING_HOA3 ) || st_ivas->ivas_format == SBA_FORMAT || ( nchan_transport > 2 ) )
560 : {
561 903 : if ( hDirACRend->hOutSetup.is_loudspeaker_setup )
562 : {
563 210 : if ( st_ivas->hoa_dec_mtx != NULL )
564 : {
565 150 : free( st_ivas->hoa_dec_mtx );
566 150 : st_ivas->hoa_dec_mtx = NULL;
567 : }
568 210 : if ( ( error = ivas_sba_get_hoa_dec_matrix( hDirACRend->hOutSetup, &st_ivas->hoa_dec_mtx, hDirACRend->hOutSetup.ambisonics_order ) ) != IVAS_ERR_OK )
569 : {
570 0 : return error;
571 : }
572 :
573 210 : hDirACRend->hoa_decoder = st_ivas->hoa_dec_mtx;
574 : }
575 : }
576 : }
577 :
578 : /* decorrelation */
579 6867 : proto_signal_decorr_on_old = ( flag_config == DIRAC_RECONFIGURE ) ? hDirACRend->proto_signal_decorr_on : 0;
580 6867 : hDirACRend->proto_signal_decorr_on = 1;
581 6867 : if ( ( nchan_transport > 2 ) && ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS ) )
582 : {
583 : /*switch off decorrelation for 4 transport channels*/
584 138 : hDirACRend->proto_signal_decorr_on = 0;
585 : }
586 6867 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO )
587 : {
588 327 : hDirACRend->proto_signal_decorr_on = 0;
589 : }
590 :
591 6867 : if ( ( flag_config == DIRAC_OPEN && hDirACRend->proto_signal_decorr_on ) || ( flag_config == DIRAC_RECONFIGURE && ( hDirACRend->proto_signal_decorr_on && !proto_signal_decorr_on_old ) ) )
592 : {
593 2388 : if ( ( error = ivas_dirac_dec_decorr_open( &( hDirACRend->h_freq_domain_decorr_ap_params ), &( hDirACRend->h_freq_domain_decorr_ap_state ), hSpatParamRendCom->num_freq_bands, hDirACRend->num_outputs_diff,
594 1194 : hDirACRend->num_protos_diff, hDirACRend->synthesisConf, hDirACRend->frequency_axis, nchan_transport > 2 ? 4 : nchan_transport, output_Fs ) ) != IVAS_ERR_OK )
595 : {
596 0 : return error;
597 : }
598 : }
599 5673 : else if ( flag_config == DIRAC_RECONFIGURE && ( !hDirACRend->proto_signal_decorr_on && proto_signal_decorr_on_old ) )
600 : {
601 72 : ivas_dirac_dec_decorr_close( &hDirACRend->h_freq_domain_decorr_ap_params, &hDirACRend->h_freq_domain_decorr_ap_state );
602 : }
603 5601 : else if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->proto_signal_decorr_on && proto_signal_decorr_on_old )
604 : {
605 5208 : if ( nchan_transport != nchan_transport_old || hDirACRend->num_outputs_diff != num_outputs_diff_old || flag_config_inp == DIRAC_RECONFIGURE_MODE )
606 : {
607 : /* close and reopen the decorrelator */
608 5208 : ivas_dirac_dec_decorr_close( &hDirACRend->h_freq_domain_decorr_ap_params, &hDirACRend->h_freq_domain_decorr_ap_state );
609 :
610 10416 : if ( ( error = ivas_dirac_dec_decorr_open( &( hDirACRend->h_freq_domain_decorr_ap_params ), &( hDirACRend->h_freq_domain_decorr_ap_state ), hSpatParamRendCom->num_freq_bands, hDirACRend->num_outputs_diff,
611 5208 : hDirACRend->num_protos_diff, hDirACRend->synthesisConf, hDirACRend->frequency_axis, nchan_transport > 2 ? 4 : nchan_transport, output_Fs ) ) != IVAS_ERR_OK )
612 : {
613 0 : return error;
614 : }
615 : }
616 : }
617 :
618 : /* output synthesis */
619 6867 : if ( flag_config == DIRAC_OPEN )
620 : {
621 1296 : if ( ( ivas_dirac_dec_output_synthesis_open( hSpatParamRendCom, hDirACRend, st_ivas->renderer_type, nchan_transport, output_Fs, hodirac_flag ) ) != IVAS_ERR_OK )
622 : {
623 0 : return error;
624 : }
625 1296 : hDirACRend->h_output_synthesis_psd_params.use_onset_filters = hDirACRend->proto_signal_decorr_on;
626 : }
627 5571 : else if ( ( flag_config == DIRAC_RECONFIGURE ) && ( ( nchan_transport != nchan_transport_old ) || ( hDirACRend->num_outputs_diff != num_outputs_diff_old ) ) )
628 : {
629 5502 : ivas_dirac_dec_output_synthesis_close( hDirACRend );
630 :
631 5502 : if ( ( ivas_dirac_dec_output_synthesis_open( hSpatParamRendCom, hDirACRend, st_ivas->renderer_type, nchan_transport, output_Fs, hodirac_flag ) ) != IVAS_ERR_OK )
632 : {
633 0 : return error;
634 : }
635 5502 : hDirACRend->h_output_synthesis_psd_params.use_onset_filters = hDirACRend->proto_signal_decorr_on;
636 : }
637 :
638 6867 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD || hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
639 : {
640 3912 : hDirACRend->h_output_synthesis_psd_params.use_onset_filters = 0;
641 : }
642 :
643 : /*-----------------------------------------------------------------*
644 : * memory allocation
645 : *-----------------------------------------------------------------*/
646 :
647 6867 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
648 : {
649 2685 : if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->proto_frame_f )
650 : {
651 72 : free( hDirACRend->proto_frame_f );
652 : }
653 2685 : hDirACRend->proto_frame_f = NULL;
654 : }
655 : else
656 : {
657 4182 : if ( flag_config == DIRAC_OPEN || ( flag_config == DIRAC_RECONFIGURE && hDirACRend->proto_frame_f == NULL ) )
658 : {
659 669 : if ( ( hDirACRend->proto_frame_f = (float *) malloc( sizeof( float ) * 2 * hDirACRend->num_protos_diff * hSpatParamRendCom->num_freq_bands ) ) == NULL )
660 : {
661 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
662 : }
663 : }
664 3513 : else if ( flag_config == DIRAC_RECONFIGURE && ( hDirACRend->num_protos_diff != num_protos_diff_old ) )
665 : {
666 891 : proto_frame_f_old = hDirACRend->proto_frame_f;
667 891 : free( proto_frame_f_old );
668 891 : if ( ( hDirACRend->proto_frame_f = (float *) malloc( sizeof( float ) * 2 * hDirACRend->num_protos_diff * hSpatParamRendCom->num_freq_bands ) ) == NULL )
669 : {
670 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
671 : }
672 : }
673 : }
674 :
675 6867 : if ( flag_config == DIRAC_OPEN )
676 : {
677 1296 : hDirACRend->buffer_energy = NULL;
678 : }
679 :
680 6867 : if ( ( flag_config == DIRAC_OPEN && hDirAC->hConfig->dec_param_estim == TRUE ) || ( flag_config == DIRAC_RECONFIGURE && ( hDirAC->hConfig->dec_param_estim == TRUE && dec_param_estim_old == FALSE ) ) )
681 : {
682 729 : hDirACRend->index_buffer_intensity = 0;
683 :
684 2916 : for ( i = 0; i < DIRAC_NUM_DIMS; i++ )
685 : {
686 72171 : for ( j = 0; j < DIRAC_NO_COL_AVG_DIFF; j++ )
687 : {
688 69984 : if ( ( hDirACRend->buffer_intensity_real[i][j] = (float *) malloc( CLDFB_NO_CHANNELS_MAX * sizeof( float ) ) ) == NULL )
689 : {
690 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
691 : }
692 69984 : set_f( hDirACRend->buffer_intensity_real[i][j], 0.0f, CLDFB_NO_CHANNELS_MAX );
693 : }
694 : }
695 729 : if ( hDirACRend->buffer_energy == NULL )
696 : {
697 729 : if ( ( hDirACRend->buffer_energy = (float *) malloc( DIRAC_NO_COL_AVG_DIFF * CLDFB_NO_CHANNELS_MAX * sizeof( float ) ) ) == NULL )
698 : {
699 0 : return ( IVAS_ERROR( IVAS_ERR_FAILED_ALLOC, "Can not allocate memory for DirAC\n" ) );
700 : }
701 : }
702 729 : set_f( hDirACRend->buffer_energy, 0.0f, DIRAC_NO_COL_AVG_DIFF * CLDFB_NO_CHANNELS_MAX );
703 : }
704 6138 : else if ( ( flag_config == DIRAC_OPEN && hDirAC->hConfig->dec_param_estim == FALSE ) || ( flag_config == DIRAC_RECONFIGURE && ( hDirAC->hConfig->dec_param_estim == FALSE && dec_param_estim_old == TRUE ) ) )
705 : {
706 3708 : for ( i = 0; i < DIRAC_NUM_DIMS; i++ )
707 : {
708 91773 : for ( j = 0; j < DIRAC_NO_COL_AVG_DIFF; j++ )
709 : {
710 88992 : if ( flag_config == DIRAC_RECONFIGURE && hDirACRend->buffer_intensity_real[i][j] )
711 : {
712 18432 : free( hDirACRend->buffer_intensity_real[i][j] );
713 : }
714 88992 : hDirACRend->buffer_intensity_real[i][j] = NULL;
715 : }
716 : }
717 927 : if ( hDirACRend->buffer_energy != NULL )
718 : {
719 192 : free( hDirACRend->buffer_energy );
720 192 : hDirACRend->buffer_energy = NULL;
721 : }
722 : }
723 :
724 : /* output synthesis */
725 6867 : ivas_dirac_dec_output_synthesis_init( hSpatParamRendCom, hDirACRend, nchan_out_woLFE, hodirac_flag );
726 :
727 : /* Allocate stack memory */
728 6867 : if ( flag_config != DIRAC_OPEN )
729 : {
730 5571 : ivas_dirac_free_mem( &( hDirACRend->stack_mem ) );
731 : }
732 6867 : if ( ( error = ivas_dirac_alloc_mem( hDirACRend, st_ivas->renderer_type, hSpatParamRendCom->num_freq_bands, &( hDirACRend->stack_mem ), hodirac_flag ) ) != IVAS_ERR_OK )
733 : {
734 0 : return error;
735 : }
736 :
737 6867 : if ( flag_config == DIRAC_OPEN )
738 : {
739 1296 : st_ivas->hDirACRend = hDirACRend;
740 : }
741 :
742 6867 : return error;
743 : }
744 :
745 :
746 : /*-------------------------------------------------------------------------
747 : * ivas_dirac_dec_config()
748 : *
749 : * Open or reconfigure decoder DirAC/MASA handle
750 : *-------------------------------------------------------------------------*/
751 :
752 14052 : ivas_error ivas_dirac_dec_config(
753 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
754 : const DIRAC_CONFIG_FLAG flag_config_inp /* i/ : Flag determining if we open or reconfigure the DirAC decoder */
755 : )
756 : {
757 : ivas_error error;
758 : int32_t output_Fs;
759 : int16_t hodirac_flag;
760 : int16_t sparfoa_flag;
761 : DIRAC_CONFIG_FLAG dec_config_flag;
762 : DIRAC_CONFIG_FLAG rend_config_flag;
763 : DIRAC_CONFIG_FLAG common_rend_config_flag;
764 : int16_t need_dirac_rend;
765 : int16_t need_parambin;
766 : int16_t dec_param_estim_old;
767 : int16_t dec_param_estim_new;
768 : int16_t num_poses, pos_idx;
769 :
770 14052 : error = IVAS_ERR_OK;
771 :
772 : /* Solve and setup flags for inits */
773 14052 : dec_config_flag = ( flag_config_inp == DIRAC_RECONFIGURE_MODE ) ? DIRAC_RECONFIGURE : flag_config_inp;
774 :
775 14052 : output_Fs = st_ivas->hDecoderConfig->output_Fs;
776 14052 : hodirac_flag = ivas_get_hodirac_flag( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order );
777 14052 : dec_param_estim_old = ( dec_config_flag == DIRAC_RECONFIGURE ) ? st_ivas->hDirAC->hConfig->dec_param_estim : FALSE;
778 :
779 14052 : num_poses = 1;
780 14052 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
781 : {
782 0 : num_poses = st_ivas->hSplitBinRend->splitrend.multiBinPoseData.num_poses;
783 : }
784 :
785 14052 : sparfoa_flag = 0;
786 14052 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_FOA && st_ivas->ivas_format == SBA_FORMAT && !hodirac_flag )
787 : {
788 0 : sparfoa_flag = 1;
789 : }
790 :
791 14052 : if ( ( error = ivas_dirac_dec_config_internal( st_ivas, dec_config_flag ) ) != IVAS_ERR_OK )
792 : {
793 0 : return error;
794 : }
795 :
796 : /* This is required for parambin */
797 14052 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC || st_ivas->renderer_type == RENDERER_BINAURAL_PARAMETRIC_ROOM || st_ivas->renderer_type == RENDERER_STEREO_PARAMETRIC )
798 : {
799 7077 : st_ivas->hDirAC->hConfig->dec_param_estim = FALSE;
800 : }
801 :
802 14052 : dec_param_estim_new = st_ivas->hDirAC->hConfig->dec_param_estim;
803 :
804 : /* Setup renderers and meta */
805 : /* First, free everything if in reconfig and not the active renderer */
806 14052 : need_parambin = 0;
807 14052 : switch ( st_ivas->renderer_type )
808 : {
809 7077 : case RENDERER_BINAURAL_PARAMETRIC:
810 : case RENDERER_BINAURAL_PARAMETRIC_ROOM:
811 : case RENDERER_STEREO_PARAMETRIC:
812 7077 : need_parambin = 1;
813 7077 : break;
814 6975 : default:
815 6975 : need_parambin = 0;
816 : }
817 :
818 14052 : if ( !need_parambin )
819 : {
820 6975 : ivas_dirac_dec_close_binaural_data( st_ivas->hDiracDecBin );
821 : }
822 :
823 14052 : need_dirac_rend = 0;
824 14052 : switch ( st_ivas->renderer_type )
825 : {
826 6867 : case RENDERER_DIRAC:
827 : case RENDERER_BINAURAL_FASTCONV:
828 : case RENDERER_BINAURAL_FASTCONV_ROOM:
829 : case RENDERER_SBA_LINEAR_ENC:
830 : case RENDERER_SBA_LINEAR_DEC:
831 : case RENDERER_OSBA_AMBI:
832 : case RENDERER_OSBA_LS:
833 6867 : need_dirac_rend = 1;
834 6867 : break;
835 7185 : default:
836 7185 : need_dirac_rend = 0;
837 : }
838 :
839 14052 : if ( !need_dirac_rend )
840 : {
841 7185 : ivas_dirac_rend_close( &st_ivas->hDirACRend );
842 : }
843 :
844 14052 : if ( !sparfoa_flag )
845 : {
846 14052 : common_rend_config_flag = st_ivas->hSpatParamRendCom == NULL ? DIRAC_OPEN : flag_config_inp;
847 14052 : if ( ( error = ivas_spat_hSpatParamRendCom_config( &st_ivas->hSpatParamRendCom, common_rend_config_flag, dec_param_estim_new,
848 : st_ivas->ivas_format, st_ivas->mc_mode, output_Fs, hodirac_flag, 0 ) ) != IVAS_ERR_OK )
849 : {
850 0 : return error;
851 : }
852 :
853 14052 : if ( need_dirac_rend )
854 : {
855 6867 : rend_config_flag = st_ivas->hDirACRend == NULL ? DIRAC_OPEN : flag_config_inp;
856 6867 : if ( ( error = ivas_dirac_rend_config( st_ivas, rend_config_flag, dec_param_estim_old ) ) != IVAS_ERR_OK )
857 : {
858 0 : return error;
859 : }
860 : }
861 :
862 14052 : if ( need_parambin )
863 : {
864 7077 : if ( st_ivas->renderer_type != RENDERER_STEREO_PARAMETRIC )
865 : {
866 5094 : if ( ( error = ivas_dirac_dec_binaural_copy_hrtfs( &st_ivas->hHrtfParambin ) ) != IVAS_ERR_OK )
867 : {
868 0 : return error;
869 : }
870 : }
871 :
872 7077 : if ( st_ivas->hDiracDecBin[0] == NULL )
873 : {
874 1194 : if ( ( error = ivas_dirac_dec_init_binaural_data( st_ivas, &( st_ivas->hHrtfParambin ) ) ) != IVAS_ERR_OK )
875 : {
876 0 : return error;
877 : }
878 : }
879 : else
880 : {
881 : /* This is required to keep BE in rate switching. This probably means that 1TC and 2TC MASA perform differently. */
882 5883 : if ( st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_params != NULL && !( st_ivas->ivas_format == MASA_FORMAT && st_ivas->nSCE > 0 ) )
883 : {
884 2580 : ivas_dirac_dec_decorr_close( &st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_params, &st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_state );
885 : }
886 :
887 5883 : if ( ( error = ivas_td_decorr_reconfig_dec( st_ivas->ivas_format, st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->nchan_transport, st_ivas->hDecoderConfig->output_Fs, &( st_ivas->hDiracDecBin[0]->hTdDecorr ), &( st_ivas->hDiracDecBin[0]->useTdDecorr ) ) ) != IVAS_ERR_OK )
888 : {
889 0 : return error;
890 : }
891 :
892 : /* copy td-decorr flag to split renderer side rendereres */
893 5883 : for ( pos_idx = 1; pos_idx < num_poses; pos_idx++ )
894 : {
895 0 : st_ivas->hDiracDecBin[pos_idx]->useTdDecorr = st_ivas->hDiracDecBin[0]->useTdDecorr;
896 : }
897 :
898 5883 : if ( !st_ivas->hDiracDecBin[0]->useTdDecorr )
899 : {
900 3360 : if ( st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_params == NULL )
901 : {
902 : float frequency_axis[CLDFB_NO_CHANNELS_MAX];
903 :
904 2595 : ivas_dirac_dec_get_frequency_axis( frequency_axis, st_ivas->hDecoderConfig->output_Fs, st_ivas->hSpatParamRendCom->num_freq_bands );
905 :
906 2595 : if ( ( error = ivas_dirac_dec_decorr_open(
907 2595 : &( st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_params ), &( st_ivas->hDiracDecBin[0]->h_freq_domain_decorr_ap_state ), st_ivas->hSpatParamRendCom->num_freq_bands, BINAURAL_CHANNELS, BINAURAL_CHANNELS,
908 2595 : DIRAC_SYNTHESIS_PSD_LS, frequency_axis, BINAURAL_CHANNELS, st_ivas->hDecoderConfig->output_Fs ) ) != IVAS_ERR_OK )
909 : {
910 0 : return error;
911 : }
912 : }
913 : }
914 :
915 11766 : for ( pos_idx = 0; pos_idx < num_poses; pos_idx++ )
916 : {
917 5883 : st_ivas->hDiracDecBin[pos_idx]->reqularizationFactor = configure_reqularization_factor( st_ivas->ivas_format, st_ivas->hDecoderConfig->ivas_total_brate );
918 : }
919 : }
920 : }
921 : }
922 :
923 :
924 14052 : return error;
925 : }
926 :
927 :
928 : /*-------------------------------------------------------------------------
929 : * ivas_dirac_dec_close()
930 : *
931 : * Close DirAC memories
932 : *------------------------------------------------------------------------*/
933 :
934 5079 : void ivas_dirac_dec_close(
935 : DIRAC_DEC_HANDLE *hDirAC_out )
936 : {
937 : DIRAC_DEC_HANDLE hDirAC;
938 :
939 5079 : if ( hDirAC_out == NULL || *hDirAC_out == NULL )
940 : {
941 3516 : return;
942 : }
943 :
944 1563 : hDirAC = *hDirAC_out;
945 :
946 : /* Config & CLDFB */
947 1563 : if ( hDirAC->hConfig != NULL )
948 : {
949 1563 : free( hDirAC->hConfig );
950 1563 : hDirAC->hConfig = NULL;
951 : }
952 :
953 1563 : free( *hDirAC_out );
954 1563 : *hDirAC_out = NULL;
955 :
956 1563 : return;
957 : }
958 :
959 :
960 : /*-------------------------------------------------------------------------
961 : * ivas_dirac_dec_read_BS()
962 : *
963 : * Read DirAC parameters from the bitstream
964 : *------------------------------------------------------------------------*/
965 :
966 471039 : void ivas_dirac_dec_read_BS(
967 : const int32_t ivas_total_brate, /* i : IVAS total bitrate */
968 : Decoder_State *st, /* i/o: decoder state structure */
969 : DIRAC_DEC_HANDLE hDirAC, /* i/o: decoder DirAC handle */
970 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom, /* i/o: common spatial rendering data handle */
971 : IVAS_QMETADATA_HANDLE hQMetaData, /* i/o: q_metadata */
972 : int16_t *nb_bits, /* o : number of bits read */
973 : const int16_t last_bit_pos, /* i : last read bitstream position */
974 : const int16_t hodirac_flag, /* i : flag to indicate HO-DirAC mode */
975 : const int16_t nchan_transport, /* i : number of transport channels */
976 : int16_t *dirac_to_spar_md_bands /* o : DirAC->SPAR MD bands */
977 : )
978 : {
979 : int16_t i, j, b, dir, orig_dirac_bands;
980 : int16_t next_bit_pos_orig;
981 471039 : if ( !st->bfi && ivas_total_brate > IVAS_SID_5k2 )
982 : {
983 444564 : next_bit_pos_orig = st->next_bit_pos;
984 444564 : st->next_bit_pos = (int16_t) ( ivas_total_brate / FRAMES_PER_SEC - 1 );
985 444564 : if ( last_bit_pos > 0 )
986 : {
987 110208 : st->next_bit_pos = last_bit_pos;
988 : }
989 : /* 1 bit flag for signaling metadata to read */
990 444564 : b = st->bit_stream[( st->next_bit_pos )--];
991 444564 : ( *nb_bits )++;
992 :
993 444564 : if ( b == 1 ) /* WB 4TCs condition, no other metadata to read*/
994 : {
995 702 : orig_dirac_bands = hQMetaData->q_direction[0].cfg.nbands;
996 :
997 702 : hQMetaData->sba_inactive_mode = 1;
998 :
999 : /* if we start with a SID frame, we need to init the azi/ele arrays.*/
1000 702 : if ( st->ini_frame == 0 )
1001 : {
1002 0 : for ( b = 0; b < hQMetaData->q_direction[0].cfg.nbands; b++ )
1003 : {
1004 0 : set_zero( hQMetaData->q_direction[0].band_data[b].azimuth, MAX_PARAM_SPATIAL_SUBFRAMES );
1005 0 : set_zero( hQMetaData->q_direction[0].band_data[b].elevation, MAX_PARAM_SPATIAL_SUBFRAMES );
1006 : }
1007 : }
1008 :
1009 702 : *nb_bits += ivas_qmetadata_dec_sid_decode( hQMetaData, st->bit_stream, &( st->next_bit_pos ), nchan_transport, NULL, SBA_FORMAT );
1010 :
1011 3510 : for ( i = 0; i < MAX_PARAM_SPATIAL_SUBFRAMES; i++ )
1012 : {
1013 2808 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].azimuth[i] = hQMetaData->q_direction[0].band_data[1].azimuth[0];
1014 2808 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].elevation[i] = hQMetaData->q_direction[0].band_data[1].elevation[0];
1015 2808 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].energy_ratio[i] = hQMetaData->q_direction[0].band_data[1].energy_ratio[0];
1016 2808 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].energy_ratio_index[i] = hQMetaData->q_direction[0].band_data[1].energy_ratio_index[0];
1017 : }
1018 3510 : for ( i = 0; i < MAX_PARAM_SPATIAL_SUBFRAMES; i++ )
1019 : {
1020 8304 : for ( j = orig_dirac_bands - 2; j >= 0; j-- )
1021 : {
1022 5496 : hQMetaData->q_direction[0].band_data[j].azimuth[i] = hQMetaData->q_direction[0].band_data[0].azimuth[0];
1023 5496 : hQMetaData->q_direction[0].band_data[j].elevation[i] = hQMetaData->q_direction[0].band_data[0].elevation[0];
1024 5496 : hQMetaData->q_direction[0].band_data[j].energy_ratio[i] = hQMetaData->q_direction[0].band_data[0].energy_ratio[0];
1025 5496 : hQMetaData->q_direction[0].band_data[j].energy_ratio_index[i] = hQMetaData->q_direction[0].band_data[0].energy_ratio_index[0];
1026 : }
1027 : }
1028 :
1029 702 : hQMetaData->q_direction->cfg.nbands = orig_dirac_bands;
1030 : }
1031 : else
1032 : {
1033 443862 : hQMetaData->sba_inactive_mode = 0;
1034 443862 : hQMetaData->is_masa_ivas_format = 0;
1035 443862 : if ( hQMetaData->useLowerRes )
1036 : {
1037 33990 : hQMetaData->q_direction[0].cfg.nblocks = 1;
1038 : }
1039 : else
1040 : {
1041 409872 : hQMetaData->q_direction[0].cfg.nblocks = MAX_PARAM_SPATIAL_SUBFRAMES;
1042 : }
1043 :
1044 443862 : *nb_bits += ivas_qmetadata_dec_decode( hQMetaData, st->bit_stream, &( st->next_bit_pos ), hodirac_flag );
1045 : }
1046 :
1047 : #ifdef DEBUGGING
1048 : assert( *nb_bits >= 0 );
1049 : #endif
1050 :
1051 444564 : st->next_bit_pos = next_bit_pos_orig;
1052 : }
1053 26475 : else if ( !st->bfi && ivas_total_brate == IVAS_SID_5k2 )
1054 : {
1055 972 : next_bit_pos_orig = st->next_bit_pos;
1056 :
1057 : /* subtract mode signaling bits, since bitstream was moved after mode reading */
1058 972 : st->next_bit_pos = (int16_t) ( ivas_total_brate / FRAMES_PER_SEC - 1 - SID_FORMAT_NBITS - SBA_PLANAR_BITS - SBA_ORDER_BITS );
1059 :
1060 : /* 1 bit flag for signaling metadata to read */
1061 972 : b = st->bit_stream[( st->next_bit_pos )--];
1062 972 : ( *nb_bits )++;
1063 972 : hQMetaData->sba_inactive_mode = 1;
1064 972 : orig_dirac_bands = hQMetaData->q_direction[0].cfg.nbands;
1065 :
1066 : /* if we start with a SID frame, we need to init the azi/ele arrays.*/
1067 972 : if ( st->ini_frame == 0 )
1068 : {
1069 0 : for ( dir = 0; dir < hQMetaData->no_directions; dir++ )
1070 : {
1071 0 : for ( b = 0; b < hQMetaData->q_direction[dir].cfg.nbands; b++ )
1072 : {
1073 0 : set_zero( hQMetaData->q_direction[dir].band_data[b].azimuth, MAX_PARAM_SPATIAL_SUBFRAMES );
1074 0 : set_zero( hQMetaData->q_direction[dir].band_data[b].elevation, MAX_PARAM_SPATIAL_SUBFRAMES );
1075 : }
1076 : }
1077 : }
1078 :
1079 972 : *nb_bits += ivas_qmetadata_dec_sid_decode( hQMetaData, st->bit_stream, &( st->next_bit_pos ), nchan_transport, NULL, SBA_FORMAT );
1080 :
1081 4860 : for ( i = 0; i < MAX_PARAM_SPATIAL_SUBFRAMES; i++ )
1082 : {
1083 3888 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].azimuth[i] = hQMetaData->q_direction[0].band_data[1].azimuth[0];
1084 3888 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].elevation[i] = hQMetaData->q_direction[0].band_data[1].elevation[0];
1085 3888 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].energy_ratio[i] = hQMetaData->q_direction[0].band_data[1].energy_ratio[0];
1086 3888 : hQMetaData->q_direction[0].band_data[orig_dirac_bands - 1].energy_ratio_index[i] = hQMetaData->q_direction[0].band_data[1].energy_ratio_index[0];
1087 : }
1088 4860 : for ( i = 0; i < MAX_PARAM_SPATIAL_SUBFRAMES; i++ )
1089 : {
1090 11520 : for ( j = orig_dirac_bands - 2; j >= 0; j-- )
1091 : {
1092 7632 : hQMetaData->q_direction[0].band_data[j].azimuth[i] = hQMetaData->q_direction[0].band_data[0].azimuth[0];
1093 7632 : hQMetaData->q_direction[0].band_data[j].elevation[i] = hQMetaData->q_direction[0].band_data[0].elevation[0];
1094 7632 : hQMetaData->q_direction[0].band_data[j].energy_ratio[i] = hQMetaData->q_direction[0].band_data[0].energy_ratio[0];
1095 7632 : hQMetaData->q_direction[0].band_data[j].energy_ratio_index[i] = hQMetaData->q_direction[0].band_data[0].energy_ratio_index[0];
1096 : }
1097 : }
1098 :
1099 972 : hQMetaData->q_direction->cfg.nbands = orig_dirac_bands;
1100 :
1101 972 : st->next_bit_pos = next_bit_pos_orig;
1102 : }
1103 :
1104 471039 : if ( hDirAC != NULL && hSpatParamRendCom != NULL )
1105 : {
1106 303273 : ivas_qmetadata_to_dirac( hQMetaData, hDirAC, NULL, hSpatParamRendCom, ivas_total_brate, SBA_FORMAT, hodirac_flag, dirac_to_spar_md_bands );
1107 : }
1108 :
1109 471039 : return;
1110 : }
1111 :
1112 :
1113 : /*-----------------------------------------------------------------------*
1114 : * ivas_qmetadata_to_dirac()
1115 : *
1116 : * Copy qmetedata to DirAC parameters for rendering
1117 : *-----------------------------------------------------------------------*/
1118 :
1119 427032 : void ivas_qmetadata_to_dirac(
1120 : const IVAS_QMETADATA_HANDLE hQMetaData, /* i : frame of MASA q_metadata */
1121 : DIRAC_DEC_HANDLE hDirAC, /* i : DirAC decoder structure */
1122 : MASA_DECODER_HANDLE hMasa, /* i : MASA decoder structure */
1123 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom, /* i/o: common spatial renderer data handle */
1124 : const int32_t ivas_total_brate, /* i : IVAS total bitrate */
1125 : const IVAS_FORMAT ivas_format, /* i : IVAS format */
1126 : const int16_t hodirac_flag, /* i : flag to indicate HO-DirAC mode */
1127 : int16_t *dirac_to_spar_md_bands /* o : DirAC->SPAR MD bands */
1128 : )
1129 : {
1130 : int16_t block, band;
1131 : int16_t *seed_ptr;
1132 : int16_t band_start, band_end, diff_idx;
1133 : float diffuseness;
1134 : int16_t b, ele, azi;
1135 : float azimuth, elevation;
1136 : IVAS_QDIRECTION *q_direction;
1137 : int16_t *band_mapping;
1138 : int16_t *band_grouping;
1139 : int16_t start_band;
1140 427032 : int16_t nbands = 0;
1141 427032 : int16_t nblocks = 0;
1142 : int16_t qBand_idx;
1143 427032 : int16_t idx_sec = 0;
1144 427032 : int16_t no_secs = 1;
1145 :
1146 427032 : q_direction = &( hQMetaData->q_direction[0] );
1147 427032 : hSpatParamRendCom->numParametricDirections = hQMetaData->no_directions;
1148 427032 : hSpatParamRendCom->numSimultaneousDirections = hSpatParamRendCom->numParametricDirections + hSpatParamRendCom->numIsmDirections;
1149 :
1150 427032 : if ( hMasa != NULL && ivas_total_brate > IVAS_SID_5k2 )
1151 120333 : {
1152 : int16_t meta_write_index;
1153 120333 : band_mapping = hMasa->data.band_mapping;
1154 :
1155 601665 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; ++block )
1156 : {
1157 481332 : meta_write_index = ( hSpatParamRendCom->dirac_bs_md_write_idx + block ) % hSpatParamRendCom->dirac_md_buffer_length;
1158 :
1159 4085076 : for ( band = 0; band < hMasa->config.numCodingBands; ++band )
1160 : {
1161 30425184 : for ( b = MASA_band_grouping_24[band_mapping[band]]; b < MASA_band_grouping_24[band_mapping[band + 1]]; ++b )
1162 : {
1163 26821440 : hSpatParamRendCom->azimuth[meta_write_index][b] = (int16_t) q_direction->band_data[band].azimuth[block];
1164 26821440 : hSpatParamRendCom->elevation[meta_write_index][b] = (int16_t) q_direction->band_data[band].elevation[block];
1165 26821440 : hSpatParamRendCom->energy_ratio1[meta_write_index][b] = q_direction->band_data[band].energy_ratio[block];
1166 26821440 : hSpatParamRendCom->diffuseness_vector[meta_write_index][b] = 1.0f - q_direction->band_data[band].energy_ratio[block];
1167 :
1168 26821440 : if ( q_direction->coherence_band_data != NULL )
1169 : {
1170 15666240 : hSpatParamRendCom->spreadCoherence[meta_write_index][b] = q_direction->coherence_band_data[band].spread_coherence[block] / 255.0f;
1171 : }
1172 : else
1173 : {
1174 11155200 : hSpatParamRendCom->spreadCoherence[meta_write_index][b] = 0.0f;
1175 : }
1176 :
1177 26821440 : if ( hQMetaData->surcoh_band_data != NULL )
1178 : {
1179 15666240 : hSpatParamRendCom->surroundingCoherence[meta_write_index][b] = hQMetaData->surcoh_band_data[band].surround_coherence[block] / 255.0f;
1180 : }
1181 : else
1182 : {
1183 11155200 : hSpatParamRendCom->surroundingCoherence[meta_write_index][b] = 0.0f;
1184 : }
1185 : }
1186 : }
1187 : }
1188 :
1189 120333 : if ( hQMetaData->no_directions == 2 )
1190 : {
1191 11841 : q_direction = &( hQMetaData->q_direction[1] );
1192 59205 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; ++block )
1193 : {
1194 47364 : meta_write_index = ( hSpatParamRendCom->dirac_bs_md_write_idx + block ) % hSpatParamRendCom->dirac_md_buffer_length;
1195 :
1196 614832 : for ( band = 0; band < hMasa->config.numCodingBands; ++band )
1197 : {
1198 3227148 : for ( b = MASA_band_grouping_24[band_mapping[band]]; b < MASA_band_grouping_24[band_mapping[band + 1]]; ++b )
1199 : {
1200 2659680 : hSpatParamRendCom->azimuth2[meta_write_index][b] = (int16_t) q_direction->band_data[band].azimuth[block];
1201 2659680 : hSpatParamRendCom->elevation2[meta_write_index][b] = (int16_t) q_direction->band_data[band].elevation[block];
1202 2659680 : hSpatParamRendCom->energy_ratio2[meta_write_index][b] = q_direction->band_data[band].energy_ratio[block];
1203 2659680 : hSpatParamRendCom->diffuseness_vector[meta_write_index][b] -= q_direction->band_data[band].energy_ratio[block];
1204 :
1205 : /* Sanitize diffuseness for rare cases where floating point inaccuracy could result in negative diffuseness. */
1206 2659680 : if ( hSpatParamRendCom->diffuseness_vector[meta_write_index][b] < 0.0f )
1207 : {
1208 813 : hSpatParamRendCom->diffuseness_vector[meta_write_index][b] = 0.0f;
1209 : }
1210 :
1211 2659680 : if ( q_direction->coherence_band_data != NULL )
1212 : {
1213 2659680 : hSpatParamRendCom->spreadCoherence2[meta_write_index][b] = q_direction->coherence_band_data[band].spread_coherence[block] / 255.0f;
1214 : }
1215 : else
1216 : {
1217 0 : hSpatParamRendCom->spreadCoherence2[meta_write_index][b] = 0.0f;
1218 : }
1219 : }
1220 : }
1221 : }
1222 : }
1223 108492 : else if ( hSpatParamRendCom->azimuth2 != NULL && hSpatParamRendCom->elevation2 != NULL && hSpatParamRendCom->energy_ratio2 != NULL && hSpatParamRendCom->spreadCoherence2 != NULL )
1224 : {
1225 : /* zero out old dir2 data */
1226 407640 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; ++block )
1227 : {
1228 326112 : meta_write_index = ( hSpatParamRendCom->dirac_bs_md_write_idx + block ) % hSpatParamRendCom->dirac_md_buffer_length;
1229 326112 : set_s( hSpatParamRendCom->azimuth2[meta_write_index], 0, hSpatParamRendCom->num_freq_bands );
1230 326112 : set_s( hSpatParamRendCom->elevation2[meta_write_index], 0, hSpatParamRendCom->num_freq_bands );
1231 326112 : set_zero( hSpatParamRendCom->energy_ratio2[meta_write_index], hSpatParamRendCom->num_freq_bands );
1232 326112 : set_zero( hSpatParamRendCom->spreadCoherence2[meta_write_index], hSpatParamRendCom->num_freq_bands );
1233 : }
1234 : }
1235 : }
1236 : else /* SBA mode/SID/Zero frame*/
1237 : {
1238 : int16_t tmp_write_idx_param_band;
1239 : int16_t tmp_write_idx_band;
1240 306699 : float diffuseness_sec = 0.f;
1241 :
1242 : /* ungroup */
1243 306699 : seed_ptr = &hDirAC->dithering_seed;
1244 306699 : nblocks = q_direction->cfg.nblocks;
1245 306699 : nbands = hDirAC->band_grouping[hDirAC->hConfig->nbands];
1246 306699 : band_grouping = hDirAC->band_grouping;
1247 :
1248 306699 : if ( ivas_total_brate <= IVAS_SID_5k2 && ivas_format != SBA_FORMAT )
1249 : {
1250 : /* SID/zero-frame: 1 direction, 5 bands, nblocks re-generated out of SID decoder*/
1251 3426 : start_band = 0;
1252 3426 : hDirAC->hConfig->nbands = 5;
1253 :
1254 3426 : ivas_dirac_config_bands( hDirAC->band_grouping, hDirAC->hConfig->nbands, nbands, NULL, 0, 0, NULL, 1 );
1255 :
1256 3426 : nbands = 5;
1257 : }
1258 : else
1259 : {
1260 303273 : start_band = hDirAC->hConfig->enc_param_start_band;
1261 303273 : if ( ivas_format == SBA_FORMAT )
1262 : {
1263 303273 : hDirAC->hConfig->nbands = IVAS_MAX_NUM_BANDS;
1264 : }
1265 : else
1266 : {
1267 0 : hDirAC->hConfig->nbands = q_direction->cfg.nbands;
1268 : }
1269 :
1270 303273 : ivas_dirac_config_bands( hDirAC->band_grouping, hDirAC->hConfig->nbands, nbands, dirac_to_spar_md_bands, hQMetaData->useLowerBandRes, hDirAC->hConfig->enc_param_start_band, hDirAC->hFbMdft, 0 );
1271 :
1272 303273 : nbands = hDirAC->hConfig->nbands;
1273 303273 : if ( hQMetaData->q_direction[0].cfg.nblocks == 0 )
1274 : {
1275 : /* No transmission -> no copy from qmetadata buffers*/
1276 0 : nbands = start_band;
1277 : }
1278 : }
1279 :
1280 : /* Low-Bands with no spatial data transmitted, analysis at decoder side */
1281 2405763 : for ( band = 0; band < start_band; band++ )
1282 : {
1283 2099064 : band_start = band_grouping[band];
1284 2099064 : band_end = band_grouping[band + 1];
1285 2099064 : tmp_write_idx_param_band = hSpatParamRendCom->dirac_bs_md_write_idx;
1286 :
1287 10495320 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; block++ )
1288 : {
1289 19941108 : for ( b = band_start; b < band_end; b++ )
1290 : {
1291 11544852 : tmp_write_idx_band = tmp_write_idx_param_band;
1292 11544852 : hSpatParamRendCom->spreadCoherence[block][b] = 0.0f;
1293 11544852 : hSpatParamRendCom->surroundingCoherence[block][b] = 0.0f;
1294 :
1295 11544852 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = 0;
1296 11544852 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = 0;
1297 11544852 : hSpatParamRendCom->diffuseness_vector[tmp_write_idx_band][b] = 0.f;
1298 :
1299 11544852 : hSpatParamRendCom->spreadCoherence[tmp_write_idx_band][b] = 0.0f;
1300 11544852 : hSpatParamRendCom->surroundingCoherence[tmp_write_idx_band][b] = 0.0f;
1301 11544852 : hSpatParamRendCom->energy_ratio1[tmp_write_idx_band][b] = 0;
1302 11544852 : tmp_write_idx_band = ( tmp_write_idx_band + 1 ) % hSpatParamRendCom->dirac_md_buffer_length;
1303 : }
1304 : }
1305 : }
1306 :
1307 : /* Bands with spatial data transmitted */
1308 306699 : if ( hodirac_flag )
1309 : {
1310 40890 : no_secs = DIRAC_HO_NUMSECTORS;
1311 : }
1312 :
1313 654288 : for ( idx_sec = 0; idx_sec < no_secs; idx_sec++ )
1314 : {
1315 2395611 : for ( band = start_band; band < nbands; band++ )
1316 : {
1317 2048022 : band_start = band_grouping[band];
1318 2048022 : band_end = band_grouping[band + 1];
1319 2048022 : tmp_write_idx_param_band = hSpatParamRendCom->dirac_bs_md_write_idx;
1320 :
1321 2048022 : if ( ivas_format == SBA_FORMAT )
1322 : {
1323 2030892 : qBand_idx = dirac_to_spar_md_bands[band] - start_band;
1324 : }
1325 : else
1326 : {
1327 17130 : qBand_idx = band;
1328 : }
1329 :
1330 2048022 : diffuseness = 1.0f - q_direction->band_data[qBand_idx].energy_ratio[0];
1331 : #ifdef DEBUG_MODE_DIRAC
1332 : dbgwrite( &diffuseness, sizeof( float ), 1, 1, "./res/dirac_dec_diffuseness.dat" );
1333 : #endif
1334 2048022 : diff_idx = q_direction->band_data[qBand_idx].energy_ratio_index[0];
1335 :
1336 10240110 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; block++ )
1337 : {
1338 : int16_t block_qmetadata;
1339 :
1340 8192088 : block_qmetadata = min( block, nblocks - 1 );
1341 8192088 : block_qmetadata = max( block_qmetadata, 0 );
1342 :
1343 8192088 : if ( q_direction[idx_sec].band_data[qBand_idx].azimuth[block_qmetadata] < 0.f )
1344 : {
1345 3546846 : q_direction[idx_sec].band_data[qBand_idx].azimuth[block_qmetadata] += 360.f;
1346 : }
1347 :
1348 8192088 : if ( hMasa == NULL && hodirac_flag )
1349 : {
1350 3925440 : azimuth = q_direction[idx_sec].band_data[qBand_idx].azimuth[block_qmetadata];
1351 3925440 : elevation = q_direction[idx_sec].band_data[qBand_idx].elevation[block_qmetadata];
1352 3925440 : diffuseness = 1.f - q_direction[0].band_data[qBand_idx].energy_ratio[block_qmetadata];
1353 3925440 : diffuseness_sec = q_direction[1].band_data[qBand_idx].energy_ratio[block_qmetadata];
1354 3925440 : assert( diffuseness_sec < 1.0001f && diffuseness_sec > -0.0001f );
1355 : }
1356 : else
1357 : {
1358 4266648 : azimuth = q_direction->band_data[qBand_idx].azimuth[block_qmetadata];
1359 4266648 : elevation = q_direction->band_data[qBand_idx].elevation[block_qmetadata];
1360 : }
1361 :
1362 67205316 : for ( b = band_start; b < band_end; b++ )
1363 : {
1364 59013228 : tmp_write_idx_band = tmp_write_idx_param_band;
1365 :
1366 59013228 : if ( hodirac_flag )
1367 : {
1368 19382400 : azi = (int16_t) ( azimuth + 0.5f );
1369 19382400 : ele = (int16_t) ( elevation + 0.5f );
1370 : }
1371 : else
1372 : {
1373 39630828 : azi = (int16_t) ( azimuth + rand_triangular_signed( seed_ptr ) * dirac_dithering_azi_scale[diff_idx] + 0.5f );
1374 39630828 : ele = (int16_t) ( elevation + rand_triangular_signed( seed_ptr ) * dirac_dithering_ele_scale[diff_idx] + 0.5f );
1375 : /* limit the elevation to [-90, 90] */
1376 39630828 : ele = min( 90, ele );
1377 39630828 : ele = max( -90, ele );
1378 : }
1379 :
1380 59013228 : if ( ivas_total_brate > IVAS_SID_5k2 && q_direction->coherence_band_data != NULL )
1381 : {
1382 0 : hSpatParamRendCom->spreadCoherence[tmp_write_idx_band][b] = q_direction->coherence_band_data[qBand_idx].spread_coherence[block] / 255.0f;
1383 : }
1384 : else
1385 : {
1386 59013228 : hSpatParamRendCom->spreadCoherence[tmp_write_idx_band][b] = 0.0f;
1387 : }
1388 :
1389 59013228 : if ( ivas_total_brate > IVAS_SID_5k2 && q_direction->coherence_band_data != NULL )
1390 : {
1391 0 : hSpatParamRendCom->surroundingCoherence[tmp_write_idx_band][b] = hQMetaData->surcoh_band_data[qBand_idx].surround_coherence[0] / 255.0f;
1392 : }
1393 : else
1394 : {
1395 59013228 : hSpatParamRendCom->surroundingCoherence[tmp_write_idx_band][b] = 0.0f;
1396 : }
1397 :
1398 59013228 : hSpatParamRendCom->energy_ratio1[tmp_write_idx_band][b] = q_direction->band_data[qBand_idx].energy_ratio[0];
1399 :
1400 59013228 : hSpatParamRendCom->diffuseness_vector[tmp_write_idx_band][b] = diffuseness;
1401 :
1402 59013228 : if ( hodirac_flag )
1403 : {
1404 19382400 : if ( idx_sec == 0 )
1405 : {
1406 9691200 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele;
1407 9691200 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi;
1408 9691200 : hSpatParamRendCom->energy_ratio1[tmp_write_idx_band][b] = 0.f; // not in use
1409 : }
1410 : else
1411 : {
1412 9691200 : assert( idx_sec == 1 );
1413 9691200 : hSpatParamRendCom->elevation2[tmp_write_idx_band][b] = ele;
1414 9691200 : hSpatParamRendCom->azimuth2[tmp_write_idx_band][b] = azi;
1415 9691200 : hSpatParamRendCom->energy_ratio2[tmp_write_idx_band][b] = 1.f - diffuseness_sec;
1416 : }
1417 : }
1418 : else
1419 : {
1420 39630828 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = ele;
1421 39630828 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = azi;
1422 : }
1423 : }
1424 8192088 : tmp_write_idx_param_band = ( tmp_write_idx_param_band + 1 ) % hSpatParamRendCom->dirac_md_buffer_length;
1425 :
1426 : } /* for ( block =...) */
1427 : } /* for ( band = ...) */
1428 : } /* for ( idx_sec = ...)*/
1429 :
1430 : /* Bands not transmitted -> zeroed*/
1431 306699 : for ( b = band_grouping[band]; b < hSpatParamRendCom->num_freq_bands; b++ )
1432 : {
1433 0 : tmp_write_idx_band = hSpatParamRendCom->dirac_bs_md_write_idx;
1434 :
1435 0 : for ( block = 0; block < MAX_PARAM_SPATIAL_SUBFRAMES; block++ )
1436 : {
1437 :
1438 0 : hSpatParamRendCom->spreadCoherence[block][b] = 0.0f;
1439 0 : hSpatParamRendCom->surroundingCoherence[block][b] = 0.0f;
1440 0 : hSpatParamRendCom->energy_ratio1[block][b] = 0;
1441 :
1442 0 : hSpatParamRendCom->elevation[tmp_write_idx_band][b] = 0;
1443 0 : hSpatParamRendCom->azimuth[tmp_write_idx_band][b] = 0;
1444 0 : hSpatParamRendCom->diffuseness_vector[tmp_write_idx_band][b] = 0.f;
1445 0 : hSpatParamRendCom->spreadCoherence[tmp_write_idx_band][b] = 0.0f;
1446 0 : hSpatParamRendCom->surroundingCoherence[tmp_write_idx_band][b] = 0.0f;
1447 0 : hSpatParamRendCom->energy_ratio1[tmp_write_idx_band][b] = 0;
1448 0 : tmp_write_idx_band = ( tmp_write_idx_band + 1 ) % hSpatParamRendCom->dirac_md_buffer_length;
1449 : }
1450 : }
1451 : }
1452 :
1453 : /* update buffer write index */
1454 427032 : hSpatParamRendCom->dirac_bs_md_write_idx = ( hSpatParamRendCom->dirac_bs_md_write_idx + MAX_PARAM_SPATIAL_SUBFRAMES ) % hSpatParamRendCom->dirac_md_buffer_length;
1455 :
1456 427032 : return;
1457 : }
1458 :
1459 :
1460 : /*-------------------------------------------------------------------------
1461 : * ivas_dirac_dec_set_md_map()
1462 : *
1463 : * Set metadata index mapping for DirAC
1464 : *------------------------------------------------------------------------*/
1465 :
1466 478971 : void ivas_dirac_dec_set_md_map(
1467 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
1468 : const int16_t nCldfbTs /* i : number of CLDFB time slots */
1469 : )
1470 : {
1471 : int16_t num_slots_in_subfr;
1472 : DIRAC_DEC_HANDLE hDirAC;
1473 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
1474 :
1475 478971 : hDirAC = st_ivas->hDirAC;
1476 478971 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
1477 : #ifdef DEBUGGING
1478 : assert( hSpatParamRendCom );
1479 : #endif
1480 :
1481 : /* adapt subframes */
1482 478971 : hSpatParamRendCom->num_slots = nCldfbTs;
1483 478971 : hSpatParamRendCom->slots_rendered = 0;
1484 478971 : num_slots_in_subfr = CLDFB_NO_COL_MAX / MAX_PARAM_SPATIAL_SUBFRAMES;
1485 478971 : hSpatParamRendCom->subframes_rendered = 0;
1486 :
1487 478971 : ivas_jbm_dec_get_adapted_subframes( nCldfbTs, hSpatParamRendCom->subframe_nbslots, &hSpatParamRendCom->nb_subframes );
1488 :
1489 : /* copy also to tc buffer */
1490 : /* only for non-combined formats and combinded formats w/o discrete objects */
1491 478971 : if ( ( st_ivas->ivas_format != MASA_ISM_FORMAT || st_ivas->ism_mode != ISM_MASA_MODE_DISC ) && !( st_ivas->ivas_format == SBA_ISM_FORMAT && st_ivas->ism_mode == ISM_SBA_MODE_DISC ) )
1492 : {
1493 416547 : st_ivas->hTcBuffer->nb_subframes = hSpatParamRendCom->nb_subframes;
1494 416547 : mvs2s( hSpatParamRendCom->subframe_nbslots, st_ivas->hTcBuffer->subframe_nbslots, hSpatParamRendCom->nb_subframes );
1495 : }
1496 :
1497 : /* set mapping according to dirac_read_idx */
1498 :
1499 478971 : set_s( hSpatParamRendCom->render_to_md_map, 0, MAX_JBM_SUBFRAMES_5MS * JBM_CLDFB_SLOTS_IN_SUBFRAME );
1500 :
1501 478971 : if ( st_ivas->ivas_format == MASA_FORMAT )
1502 : {
1503 80613 : ivas_jbm_dec_get_md_map_even_spacing( nCldfbTs, num_slots_in_subfr, 0, hSpatParamRendCom->dirac_md_buffer_length, hSpatParamRendCom->render_to_md_map );
1504 : }
1505 398358 : else if ( hDirAC == NULL || hDirAC->hConfig == NULL || hDirAC->hConfig->dec_param_estim == 0 )
1506 : {
1507 250980 : ivas_jbm_dec_get_md_map( DEFAULT_JBM_CLDFB_TIMESLOTS, nCldfbTs, num_slots_in_subfr, 0, hSpatParamRendCom->dirac_md_buffer_length, hSpatParamRendCom->render_to_md_map );
1508 : }
1509 : else
1510 : {
1511 147378 : ivas_jbm_dec_get_md_map( DEFAULT_JBM_CLDFB_TIMESLOTS, nCldfbTs, num_slots_in_subfr, hSpatParamRendCom->dirac_read_idx, hSpatParamRendCom->dirac_md_buffer_length, hSpatParamRendCom->render_to_md_map );
1512 : }
1513 :
1514 478971 : if ( hDirAC == NULL || hDirAC->hConfig == NULL || hDirAC->hConfig->dec_param_estim == 0 )
1515 : {
1516 : float tmp;
1517 : int16_t sf_idx, slot_idx, slot_idx_abs;
1518 :
1519 331593 : slot_idx_abs = 0;
1520 1674723 : for ( sf_idx = 0; sf_idx < hSpatParamRendCom->nb_subframes; sf_idx++ )
1521 : {
1522 1343130 : tmp = 0.0f;
1523 6649203 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[sf_idx]; slot_idx++ )
1524 : {
1525 5306073 : tmp += (float) hSpatParamRendCom->render_to_md_map[slot_idx_abs];
1526 5306073 : slot_idx_abs++;
1527 : }
1528 1343130 : hSpatParamRendCom->render_to_md_map[sf_idx] = ( (int16_t) roundf( tmp / (float) hSpatParamRendCom->subframe_nbslots[sf_idx] ) + hSpatParamRendCom->dirac_read_idx ) % hSpatParamRendCom->dirac_md_buffer_length;
1529 : }
1530 :
1531 331593 : set_s( &hSpatParamRendCom->render_to_md_map[hSpatParamRendCom->nb_subframes], 0, MAX_JBM_SUBFRAMES_5MS * JBM_CLDFB_SLOTS_IN_SUBFRAME - hSpatParamRendCom->nb_subframes );
1532 : }
1533 :
1534 478971 : return;
1535 : }
1536 :
1537 :
1538 : /*-------------------------------------------------------------------------
1539 : * ivas_dirac_dec_render()
1540 : *
1541 : * DirAC decoding renderer process
1542 : *------------------------------------------------------------------------*/
1543 :
1544 130079 : void ivas_dirac_dec_render(
1545 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder handle */
1546 : const int16_t nchan_transport, /* i : number of transport channels */
1547 : const uint16_t nSamplesAsked, /* i : number of CLDFB slots requested */
1548 : uint16_t *nSamplesRendered, /* o : number of CLDFB slots rendered */
1549 : uint16_t *nSamplesAvailableNext, /* o : number of CLDFB slots still to render */
1550 : float *output_f[] /* o : rendered time signal */
1551 : )
1552 : {
1553 : int16_t slots_to_render, first_sf, last_sf, subframe_idx;
1554 : uint16_t slot_size, n_samples_sf, ch, nchan_intern;
1555 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
1556 : float *output_f_local[MAX_OUTPUT_CHANNELS];
1557 : float output_f_local_buff[MAX_OUTPUT_CHANNELS][L_FRAME48k];
1558 :
1559 130079 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
1560 :
1561 130079 : nchan_intern = st_ivas->hIntSetup.nchan_out_woLFE + st_ivas->hIntSetup.num_lfe;
1562 : #ifdef DEBUGGING
1563 : assert( hSpatParamRendCom );
1564 : #endif
1565 977433 : for ( ch = 0; ch < nchan_intern; ch++ )
1566 : {
1567 847354 : output_f_local[ch] = output_f_local_buff[ch];
1568 847354 : set_zero( output_f_local_buff[ch], nSamplesAsked );
1569 : }
1570 130079 : slot_size = NS2SA( st_ivas->hDecoderConfig->output_Fs, CLDFB_SLOT_NS );
1571 :
1572 : /* loop for synthesis, assume we always have to render in multiples of 5ms subframes with spills */
1573 130079 : slots_to_render = min( hSpatParamRendCom->num_slots - hSpatParamRendCom->slots_rendered, nSamplesAsked / slot_size );
1574 130079 : *nSamplesRendered = slots_to_render * slot_size;
1575 130079 : first_sf = hSpatParamRendCom->subframes_rendered;
1576 130079 : last_sf = first_sf;
1577 :
1578 345254 : while ( slots_to_render > 0 )
1579 : {
1580 215175 : slots_to_render -= hSpatParamRendCom->subframe_nbslots[last_sf];
1581 215175 : last_sf++;
1582 : }
1583 :
1584 : #ifdef DEBUGGING
1585 : assert( slots_to_render == 0 );
1586 : #endif
1587 345254 : for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
1588 : {
1589 215175 : ivas_dirac_dec_render_sf( st_ivas, output_f_local, nchan_transport, NULL, NULL );
1590 215175 : n_samples_sf = hSpatParamRendCom->subframe_nbslots[subframe_idx] * hSpatParamRendCom->slot_size;
1591 1641534 : for ( ch = 0; ch < nchan_intern; ch++ )
1592 : {
1593 1426359 : output_f_local[ch] += n_samples_sf;
1594 : }
1595 :
1596 : /* update combined orientation access index */
1597 215175 : ivas_combined_orientation_update_index( st_ivas->hCombinedOrientationData, n_samples_sf );
1598 : }
1599 :
1600 977433 : for ( ch = 0; ch < nchan_intern; ch++ )
1601 : {
1602 847354 : if ( !( ( st_ivas->hDirACRend->hOutSetup.separateChannelEnabled ) && ( st_ivas->hDirACRend->hOutSetup.separateChannelIndex == ch || st_ivas->hDirACRend->hOutSetup.separateChannelIndex + 1 == ch ) ) )
1603 : {
1604 844648 : mvr2r( output_f_local_buff[ch], output_f[ch], *nSamplesRendered );
1605 : }
1606 : }
1607 :
1608 130079 : if ( hSpatParamRendCom->slots_rendered == hSpatParamRendCom->num_slots )
1609 : {
1610 52944 : if ( st_ivas->hDirAC->hConfig->dec_param_estim == 1 )
1611 : {
1612 0 : hSpatParamRendCom->dirac_read_idx = ( hSpatParamRendCom->dirac_read_idx + DEFAULT_JBM_CLDFB_TIMESLOTS ) % hSpatParamRendCom->dirac_md_buffer_length;
1613 : }
1614 : else
1615 : {
1616 52944 : hSpatParamRendCom->dirac_read_idx = ( hSpatParamRendCom->dirac_read_idx + DEFAULT_JBM_SUBFRAMES_5MS ) % hSpatParamRendCom->dirac_md_buffer_length;
1617 : }
1618 : }
1619 :
1620 130079 : *nSamplesAvailableNext = ( hSpatParamRendCom->num_slots - hSpatParamRendCom->slots_rendered ) * slot_size;
1621 :
1622 130079 : return;
1623 : }
1624 :
1625 :
1626 : /*-------------------------------------------------------------------------
1627 : * ivas_dirac_dec_render_sf()
1628 : *
1629 : * DirAC decoding renderer process
1630 : *------------------------------------------------------------------------*/
1631 :
1632 943161 : void ivas_dirac_dec_render_sf(
1633 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
1634 : float *output_f[], /* i/o: synthesized core-coder transport channels/DirAC output */
1635 : const int16_t nchan_transport, /* i : number of transport channels */
1636 : float *pppQMfFrame_ts_re[IVAS_MAX_FB_MIXER_IN_CH][CLDFB_NO_COL_MAX],
1637 : float *pppQMfFrame_ts_im[IVAS_MAX_FB_MIXER_IN_CH][CLDFB_NO_COL_MAX] )
1638 : {
1639 : int16_t i, ch, idx_in, idx_lfe;
1640 : DIRAC_DEC_HANDLE hDirAC;
1641 : DIRAC_REND_HANDLE hDirACRend;
1642 : float dirEne;
1643 : float surCohEner;
1644 : float surCohRatio[CLDFB_NO_CHANNELS_MAX];
1645 : int16_t subframe_idx;
1646 : int16_t slot_idx, index_slot;
1647 : int16_t hodirac_flag;
1648 : float *p_Rmat;
1649 : int16_t slot_idx_start, slot_idx_start_cldfb_synth, md_idx;
1650 :
1651 : /*CLDFB: last output channels reserved to LFT for CICPx*/
1652 : float Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX];
1653 : float Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX];
1654 : float Cldfb_RealBuffer_Binaural[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX];
1655 : float Cldfb_ImagBuffer_Binaural[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX];
1656 : float Cldfb_RealBuffer_Temp[2][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1657 : float Cldfb_ImagBuffer_Temp[2][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1658 : int16_t index, num_freq_bands;
1659 :
1660 : /* local copies of azi, ele, diffuseness */
1661 : int16_t azimuth[CLDFB_NO_CHANNELS_MAX];
1662 : int16_t elevation[CLDFB_NO_CHANNELS_MAX];
1663 : float diffuseness_vector[CLDFB_NO_CHANNELS_MAX];
1664 :
1665 : DIRAC_DEC_STACK_MEM DirAC_mem;
1666 : float *reference_power, *reference_power_smooth;
1667 943161 : float *onset_filter, *onset_filter_subframe, *p_onset_filter = NULL;
1668 : uint16_t coherence_flag;
1669 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
1670 :
1671 943161 : push_wmops( "ivas_dirac_dec_render" );
1672 :
1673 : /* Initialize aux buffers */
1674 943161 : hDirAC = st_ivas->hDirAC;
1675 943161 : hDirACRend = st_ivas->hDirACRend;
1676 943161 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
1677 :
1678 943161 : DirAC_mem = hDirACRend->stack_mem;
1679 :
1680 943161 : reference_power = DirAC_mem.reference_power;
1681 943161 : reference_power_smooth = ( DirAC_mem.reference_power == NULL ) ? NULL : DirAC_mem.reference_power + hSpatParamRendCom->num_freq_bands;
1682 943161 : onset_filter = DirAC_mem.onset_filter;
1683 943161 : onset_filter_subframe = ( DirAC_mem.onset_filter == NULL ) ? NULL : DirAC_mem.onset_filter + hSpatParamRendCom->num_freq_bands;
1684 :
1685 943161 : hodirac_flag = ivas_get_hodirac_flag( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order );
1686 943161 : if ( st_ivas->hQMetaData != NULL && st_ivas->ivas_format != SBA_FORMAT && st_ivas->ivas_format != SBA_ISM_FORMAT )
1687 : {
1688 215175 : coherence_flag = st_ivas->hQMetaData->coherence_flag;
1689 : }
1690 : else
1691 : {
1692 727986 : coherence_flag = 0;
1693 : }
1694 :
1695 : #ifdef DEBUG_MODE_DIRAC
1696 : {
1697 : int16_t n, tmp[IVAS_SPAR_MAX_CH * L_FRAME48k];
1698 : char file_name[50] = { 0 };
1699 : const int16_t output_frame = st_ivas->hDecoderConfig->output_Fs / FRAMES_PER_SEC;
1700 :
1701 : for ( n = 0; n < nchan_transport; n++ )
1702 : {
1703 : for ( i = 0; i < output_frame; i++ )
1704 : {
1705 : tmp[nchan_transport * i + n] = (int16_t) ( output_f[n][i] + 0.5f );
1706 : }
1707 : }
1708 : sprintf( file_name, "./res/ivas_dirac_dec_DMX%d.%d.pcm", nchan_transport, (int16_t) ( output_frame * 0.05 ) );
1709 : dbgwrite( tmp, sizeof( int16_t ), nchan_transport * output_frame, 1, file_name );
1710 : }
1711 : #endif
1712 :
1713 : /* Subframe loop */
1714 943161 : slot_idx_start = hSpatParamRendCom->slots_rendered;
1715 943161 : slot_idx_start_cldfb_synth = 0;
1716 :
1717 943161 : subframe_idx = hSpatParamRendCom->subframes_rendered;
1718 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1719 : {
1720 376695 : md_idx = hSpatParamRendCom->render_to_md_map[subframe_idx];
1721 : }
1722 : else
1723 : {
1724 566466 : md_idx = hSpatParamRendCom->render_to_md_map[slot_idx_start];
1725 : }
1726 :
1727 : /* copy parameters into local buffers*/
1728 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1729 : {
1730 376695 : mvs2s( hSpatParamRendCom->azimuth[hSpatParamRendCom->render_to_md_map[subframe_idx]], azimuth, hSpatParamRendCom->num_freq_bands );
1731 376695 : mvs2s( hSpatParamRendCom->elevation[hSpatParamRendCom->render_to_md_map[subframe_idx]], elevation, hSpatParamRendCom->num_freq_bands );
1732 376695 : mvr2r( hSpatParamRendCom->diffuseness_vector[hSpatParamRendCom->render_to_md_map[subframe_idx]], diffuseness_vector, hSpatParamRendCom->num_freq_bands );
1733 : }
1734 : else
1735 : {
1736 566466 : set_zero( diffuseness_vector, hSpatParamRendCom->num_freq_bands );
1737 : }
1738 :
1739 943161 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
1740 : {
1741 231222 : set_zero( reference_power_smooth, hSpatParamRendCom->num_freq_bands );
1742 : }
1743 : else
1744 : {
1745 711939 : set_zero( onset_filter_subframe, hSpatParamRendCom->num_freq_bands );
1746 : }
1747 :
1748 943161 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[st_ivas->hCombinedOrientationData->subframe_idx] )
1749 : {
1750 124200 : p_Rmat = &st_ivas->hCombinedOrientationData->Rmat[st_ivas->hCombinedOrientationData->subframe_idx][0][0];
1751 124200 : if ( st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
1752 : {
1753 110400 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
1754 110400 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1755 : {
1756 0 : rotateAziEle_DirAC( azimuth, elevation, num_freq_bands, hSpatParamRendCom->num_freq_bands, p_Rmat );
1757 : }
1758 : }
1759 : }
1760 : else
1761 : {
1762 818961 : p_Rmat = 0;
1763 : }
1764 :
1765 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1766 : {
1767 : /* compute response */
1768 376695 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
1769 : {
1770 189234 : ivas_dirac_dec_compute_power_factors( hSpatParamRendCom->num_freq_bands,
1771 : diffuseness_vector,
1772 189234 : hDirACRend->h_output_synthesis_psd_params.max_band_decorr,
1773 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor,
1774 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor );
1775 :
1776 189234 : if ( coherence_flag )
1777 : {
1778 4951344 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
1779 : {
1780 4862040 : dirEne = hDirACRend->h_output_synthesis_psd_state.direct_power_factor[i];
1781 4862040 : surCohEner = hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor[i] * hSpatParamRendCom->surroundingCoherence[md_idx][i];
1782 4862040 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor[i] -= surCohEner;
1783 4862040 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor[i] += surCohEner;
1784 :
1785 4862040 : surCohRatio[i] = surCohEner / ( 1e-12f + dirEne + surCohEner );
1786 : }
1787 : }
1788 : else
1789 : {
1790 99930 : set_zero( surCohRatio, hSpatParamRendCom->num_freq_bands );
1791 : }
1792 : }
1793 : else
1794 : {
1795 187461 : ivas_dirac_dec_compute_gain_factors( hSpatParamRendCom->num_freq_bands,
1796 187461 : hSpatParamRendCom->diffuseness_vector[md_idx],
1797 187461 : hDirACRend->h_output_synthesis_psd_params.max_band_decorr,
1798 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor,
1799 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor );
1800 :
1801 187461 : if ( coherence_flag )
1802 : {
1803 791841 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
1804 : {
1805 778860 : surCohRatio[i] = hSpatParamRendCom->surroundingCoherence[md_idx][i];
1806 : }
1807 : }
1808 : else
1809 : {
1810 174480 : set_zero( surCohRatio, hSpatParamRendCom->num_freq_bands );
1811 : }
1812 : }
1813 376695 : ivas_dirac_dec_compute_directional_responses( hSpatParamRendCom,
1814 : hDirACRend,
1815 : st_ivas->hVBAPdata,
1816 376695 : st_ivas->hMasa == NULL ? NULL : st_ivas->hMasa->data.band_mapping,
1817 : st_ivas->hMasaIsmData,
1818 : azimuth,
1819 : elevation,
1820 : md_idx,
1821 : surCohRatio,
1822 : hodirac_flag );
1823 : }
1824 :
1825 943161 : if ( st_ivas->ivas_format == MASA_ISM_FORMAT && nchan_transport == 2 )
1826 : {
1827 151923 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
1828 : {
1829 120819 : index_slot = slot_idx_start + slot_idx;
1830 :
1831 : /* CLDFB Analysis*/
1832 362457 : for ( ch = 0; ch < nchan_transport; ch++ )
1833 : {
1834 241638 : cldfbAnalysis_ts( &( st_ivas->hTcBuffer->tc[hDirACRend->sba_map_tc[ch]][hSpatParamRendCom->num_freq_bands * index_slot] ),
1835 241638 : Cldfb_RealBuffer_Temp[ch][slot_idx],
1836 241638 : Cldfb_ImagBuffer_Temp[ch][slot_idx],
1837 241638 : hSpatParamRendCom->num_freq_bands,
1838 : st_ivas->cldfbAnaDec[ch] );
1839 : }
1840 : }
1841 :
1842 31104 : if ( st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ )
1843 : {
1844 8127 : ivas_omasa_preProcessStereoTransportsForEditedObjects( st_ivas, Cldfb_RealBuffer_Temp, Cldfb_ImagBuffer_Temp, hSpatParamRendCom->num_freq_bands, subframe_idx );
1845 : }
1846 : }
1847 :
1848 4689804 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
1849 : {
1850 3746643 : index_slot = slot_idx_start + slot_idx;
1851 3746643 : if ( hDirAC->hConfig->dec_param_estim == TRUE )
1852 : {
1853 2253249 : md_idx = hSpatParamRendCom->render_to_md_map[index_slot];
1854 : }
1855 : else
1856 : {
1857 1493394 : md_idx = hSpatParamRendCom->render_to_md_map[subframe_idx];
1858 : }
1859 3746643 : if ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
1860 : {
1861 19007349 : for ( ch = 0; ch < nchan_transport; ch++ )
1862 : {
1863 16108020 : mvr2r( pppQMfFrame_ts_re[ch][slot_idx], Cldfb_RealBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1864 16108020 : mvr2r( pppQMfFrame_ts_im[ch][slot_idx], Cldfb_ImagBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1865 : }
1866 : }
1867 847314 : else if ( st_ivas->ivas_format == MASA_ISM_FORMAT && nchan_transport == 2 )
1868 : {
1869 362457 : for ( ch = 0; ch < nchan_transport; ch++ )
1870 : {
1871 241638 : mvr2r( Cldfb_RealBuffer_Temp[ch][slot_idx], Cldfb_RealBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1872 241638 : mvr2r( Cldfb_ImagBuffer_Temp[ch][slot_idx], Cldfb_ImagBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1873 : }
1874 : }
1875 : else
1876 : {
1877 : /* CLDFB Analysis*/
1878 1738947 : for ( ch = 0; ch < nchan_transport; ch++ )
1879 : {
1880 1012452 : cldfbAnalysis_ts( &( st_ivas->hTcBuffer->tc[hDirACRend->sba_map_tc[ch]][hSpatParamRendCom->num_freq_bands * index_slot] ),
1881 1012452 : Cldfb_RealBuffer[ch][0],
1882 1012452 : Cldfb_ImagBuffer[ch][0],
1883 1012452 : hSpatParamRendCom->num_freq_bands,
1884 : st_ivas->cldfbAnaDec[ch] );
1885 : }
1886 : }
1887 :
1888 : /* CNG in DirAC, extra CLDFB ana for CNA*/
1889 3746643 : if ( st_ivas->nchan_transport == 1 && st_ivas->hSCE[0]->hCoreCoder[0] != NULL && st_ivas->hSCE[0]->hCoreCoder[0]->cna_dirac_flag && !( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT ) )
1890 : {
1891 103764 : Decoder_State *st = st_ivas->hSCE[0]->hCoreCoder[0];
1892 :
1893 207528 : generate_masking_noise_dirac( st->hFdCngDec->hFdCngCom,
1894 : st_ivas->cldfbAnaDec[1],
1895 103764 : &st_ivas->hTcBuffer->tc[1][hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->slots_rendered],
1896 : Cldfb_RealBuffer[1][0],
1897 : Cldfb_ImagBuffer[1][0],
1898 : slot_idx,
1899 103764 : st->cna_dirac_flag && st->flag_cna,
1900 103764 : ( st->core_brate == FRAME_NO_DATA || st->core_brate == SID_2k40 ) && st->cng_type == FD_CNG && st->cng_sba_flag );
1901 : }
1902 :
1903 : /* LFE synthesis */
1904 3746643 : if ( st_ivas->mc_mode == MC_MODE_MCMASA && !hDirACRend->hOutSetup.separateChannelEnabled && !( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM && hDirACRend->hOutSetup.num_lfe == 0 ) )
1905 : {
1906 79680 : ivas_lfe_synth_with_cldfb( st_ivas->hMasa->hMasaLfeSynth,
1907 : Cldfb_RealBuffer, Cldfb_ImagBuffer,
1908 : Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS - 1], Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS - 1],
1909 : slot_idx,
1910 : md_idx,
1911 : nchan_transport );
1912 : }
1913 :
1914 : /*-----------------------------------------------------------------*
1915 : * protoype signal computation
1916 : *-----------------------------------------------------------------*/
1917 :
1918 3746643 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
1919 : {
1920 2835141 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[st_ivas->hCombinedOrientationData->subframe_idx] && st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
1921 : {
1922 441600 : protoSignalComputation_shd( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1923 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1924 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f,
1925 : reference_power, slot_idx, nchan_transport,
1926 441600 : hDirACRend->num_outputs_diff,
1927 441600 : hSpatParamRendCom->num_freq_bands,
1928 : p_Rmat );
1929 : }
1930 : else
1931 : {
1932 2393541 : protoSignalComputation_shd( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1933 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1934 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f,
1935 : reference_power, slot_idx, nchan_transport,
1936 2393541 : hDirACRend->num_outputs_diff,
1937 2393541 : hSpatParamRendCom->num_freq_bands,
1938 : 0 );
1939 : }
1940 : }
1941 911502 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO )
1942 : {
1943 89925 : protoSignalComputation2( Cldfb_RealBuffer, Cldfb_ImagBuffer, hDirACRend->proto_frame_f,
1944 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1945 : reference_power, hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
1946 89925 : 0, slot_idx, hSpatParamRendCom->num_freq_bands, hDirACRend->masa_stereo_type_detect );
1947 : }
1948 : else
1949 : {
1950 821577 : switch ( nchan_transport )
1951 : {
1952 167952 : case 11:
1953 : case 8:
1954 : case 6:
1955 : case 4:
1956 167952 : protoSignalComputation4( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1957 : hDirACRend->proto_frame_f,
1958 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1959 : reference_power,
1960 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
1961 167952 : slot_idx, hDirACRend->num_outputs_diff,
1962 167952 : hSpatParamRendCom->num_freq_bands,
1963 : hDirACRend->hoa_decoder,
1964 : nchan_transport,
1965 : hDirACRend->sba_map_tc );
1966 167952 : break;
1967 316851 : case 2:
1968 316851 : protoSignalComputation2( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1969 : hDirACRend->proto_frame_f,
1970 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1971 : reference_power,
1972 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
1973 316851 : hDirACRend->hOutSetup.is_loudspeaker_setup,
1974 : slot_idx,
1975 316851 : hSpatParamRendCom->num_freq_bands,
1976 : hDirACRend->masa_stereo_type_detect );
1977 316851 : break;
1978 336774 : case 1:
1979 336774 : protoSignalComputation1( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1980 : hDirACRend->proto_frame_f,
1981 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1982 : reference_power,
1983 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
1984 : slot_idx,
1985 336774 : hDirACRend->num_protos_diff,
1986 336774 : hSpatParamRendCom->num_freq_bands );
1987 336774 : break;
1988 0 : default:
1989 0 : return;
1990 : }
1991 : }
1992 :
1993 :
1994 : /*-----------------------------------------------------------------*
1995 : * Compute DirAC parameters at decoder side
1996 : *-----------------------------------------------------------------*/
1997 :
1998 3746643 : if ( hDirAC->hConfig->dec_param_estim == TRUE )
1999 : {
2000 2253249 : mvs2s( &hSpatParamRendCom->azimuth[md_idx][hDirAC->hConfig->enc_param_start_band], &azimuth[hDirAC->hConfig->enc_param_start_band], hSpatParamRendCom->num_freq_bands - hDirAC->hConfig->enc_param_start_band );
2001 2253249 : mvs2s( &hSpatParamRendCom->elevation[md_idx][hDirAC->hConfig->enc_param_start_band], &elevation[hDirAC->hConfig->enc_param_start_band], hSpatParamRendCom->num_freq_bands - hDirAC->hConfig->enc_param_start_band );
2002 2253249 : if ( ( st_ivas->hDecoderConfig->Opt_Headrotation || st_ivas->hDecoderConfig->Opt_ExternalOrientation ) && st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
2003 : {
2004 441600 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
2005 441600 : rotateAziEle_DirAC( azimuth, elevation, num_freq_bands, hSpatParamRendCom->num_freq_bands, p_Rmat );
2006 : }
2007 :
2008 2253249 : hDirACRend->index_buffer_intensity = ( hDirACRend->index_buffer_intensity % DIRAC_NO_COL_AVG_DIFF ) + 1; /* averaging_length = 32 */
2009 :
2010 2253249 : index = hDirACRend->index_buffer_intensity;
2011 :
2012 2253249 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
2013 :
2014 2253249 : computeIntensityVector_dec( Cldfb_RealBuffer,
2015 : Cldfb_ImagBuffer,
2016 : num_freq_bands,
2017 2253249 : hDirACRend->buffer_intensity_real[0][index - 1],
2018 2253249 : hDirACRend->buffer_intensity_real[1][index - 1],
2019 2253249 : hDirACRend->buffer_intensity_real[2][index - 1] );
2020 :
2021 2253249 : computeDirectionAngles( hDirACRend->buffer_intensity_real[0][index - 1],
2022 2253249 : hDirACRend->buffer_intensity_real[1][index - 1],
2023 2253249 : hDirACRend->buffer_intensity_real[2][index - 1],
2024 : num_freq_bands,
2025 : azimuth,
2026 : elevation );
2027 :
2028 2253249 : mvr2r( reference_power, &( hDirACRend->buffer_energy[( index - 1 ) * num_freq_bands] ), num_freq_bands );
2029 :
2030 2253249 : computeDiffuseness( hDirACRend->buffer_intensity_real, hDirACRend->buffer_energy, num_freq_bands, hSpatParamRendCom->diffuseness_vector[md_idx] );
2031 : }
2032 :
2033 : #ifdef DEBUG_MODE_DIRAC
2034 : {
2035 : static FILE *fp_direction_vector = NULL, *fp_diffuseness = NULL, *fp_referencePower = NULL;
2036 :
2037 :
2038 : if ( fp_direction_vector == NULL )
2039 : fp_direction_vector = fopen( "./res/dbg_direction_vector_C_dec.bin", "wb" );
2040 : if ( fp_diffuseness == NULL )
2041 : fp_diffuseness = fopen( "./res/dbg_diffuseness_C_dec.bin", "wb" );
2042 : if ( fp_referencePower == NULL )
2043 : fp_referencePower = fopen( "./res/dbg_reference_power_C_dec.bin", "wb" );
2044 :
2045 :
2046 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
2047 : {
2048 : float radius_length;
2049 : float dv[3];
2050 :
2051 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
2052 : {
2053 : radius_length = cos( hDirAC->elevation[subframe_idx][i] * PI_OVER_180 );
2054 : dv[0] = radius_length * cos( hDirAC->azimuth[subframe_idx][i] * PI_OVER_180 );
2055 : dv[1] = radius_length * sin( hDirAC->azimuth[subframe_idx][i] * PI_OVER_180 );
2056 : dv[2] = sin( hDirAC->elevation[subframe_idx][i] * PI_OVER_180 );
2057 :
2058 : fwrite( dv, sizeof( float ), 3, fp_direction_vector );
2059 : fwrite( &( hDirAC->diffuseness_vector[0][i] ), sizeof( float ), 1, fp_diffuseness );
2060 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2061 : {
2062 : reference_power[i] = Cldfb_RealBuffer[0][0][i] * Cldfb_RealBuffer[0][0][i] + Cldfb_ImagBuffer[0][0][i] * Cldfb_ImagBuffer[0][0][i];
2063 : }
2064 : fwrite( &( reference_power[i] ), sizeof( float ), 1, fp_referencePower );
2065 : }
2066 : else
2067 : {
2068 : radius_length = cos( hDirAC->elevation[index_slot][i] * PI_OVER_180 );
2069 : dv[0] = radius_length * cos( hDirAC->azimuth[index_slot][i] * PI_OVER_180 );
2070 : dv[1] = radius_length * sin( hDirAC->azimuth[index_slot][i] * PI_OVER_180 );
2071 : dv[2] = sin( hDirAC->elevation[index_slot][i] * PI_OVER_180 );
2072 :
2073 : fwrite( dv, sizeof( float ), 3, fp_direction_vector );
2074 : fwrite( &( hDirAC->diffuseness_vector[index_slot][i] ), sizeof( float ), 1, fp_diffuseness );
2075 : fwrite( &( reference_power[i] ), sizeof( float ), 1, fp_referencePower );
2076 : }
2077 : }
2078 : }
2079 : #endif
2080 :
2081 : /*-----------------------------------------------------------------*
2082 : * frequency domain decorrelation
2083 : *-----------------------------------------------------------------*/
2084 :
2085 3746643 : if ( hDirACRend->proto_signal_decorr_on == 1 )
2086 : {
2087 : /* decorrelate prototype frame */
2088 3488766 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2089 : {
2090 2835141 : ivas_dirac_dec_decorr_process( hSpatParamRendCom->num_freq_bands,
2091 2835141 : hDirACRend->num_outputs_diff,
2092 2835141 : hDirACRend->num_protos_diff,
2093 : hDirACRend->synthesisConf,
2094 : nchan_transport,
2095 2835141 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f + slot_idx * 2 * hSpatParamRendCom->num_freq_bands * hDirACRend->num_outputs_diff,
2096 2835141 : hDirACRend->num_protos_diff,
2097 2835141 : hDirACRend->proto_index_diff,
2098 2835141 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f + slot_idx * 2 * hSpatParamRendCom->num_freq_bands * hDirACRend->num_outputs_diff + 2 * hSpatParamRendCom->num_freq_bands * min( 4, nchan_transport ),
2099 : onset_filter,
2100 : hDirACRend->h_freq_domain_decorr_ap_params,
2101 : hDirACRend->h_freq_domain_decorr_ap_state );
2102 :
2103 2835141 : v_multc( onset_filter, 0.25f, onset_filter, hSpatParamRendCom->num_freq_bands );
2104 2835141 : v_add( onset_filter, onset_filter_subframe, onset_filter_subframe, hSpatParamRendCom->num_freq_bands );
2105 2835141 : p_onset_filter = onset_filter_subframe;
2106 : }
2107 : else
2108 : {
2109 653625 : ivas_dirac_dec_decorr_process( hSpatParamRendCom->num_freq_bands,
2110 653625 : hDirACRend->num_outputs_diff,
2111 653625 : hDirACRend->num_protos_diff,
2112 : hDirACRend->synthesisConf,
2113 : nchan_transport,
2114 653625 : hDirACRend->proto_frame_f,
2115 653625 : hDirACRend->num_protos_diff,
2116 653625 : hDirACRend->proto_index_diff,
2117 : DirAC_mem.frame_dec_f,
2118 : onset_filter,
2119 : hDirACRend->h_freq_domain_decorr_ap_params,
2120 : hDirACRend->h_freq_domain_decorr_ap_state );
2121 :
2122 653625 : hDirACRend->proto_frame_dec_f = DirAC_mem.frame_dec_f;
2123 653625 : p_onset_filter = onset_filter;
2124 : }
2125 : }
2126 : else
2127 : {
2128 257877 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2129 : {
2130 0 : set_f( onset_filter_subframe, 1.f, hSpatParamRendCom->num_freq_bands );
2131 0 : p_onset_filter = onset_filter_subframe;
2132 : }
2133 : else
2134 : {
2135 : /* no frequency domain decorrelation: use prototype frame */
2136 257877 : hDirACRend->proto_frame_dec_f = hDirACRend->proto_frame_f;
2137 257877 : p_onset_filter = NULL;
2138 : }
2139 : }
2140 :
2141 : /*-----------------------------------------------------------------*
2142 : * output synthesis
2143 : *-----------------------------------------------------------------*/
2144 :
2145 3746643 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS || hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD )
2146 : {
2147 : /*Compute diffuse prototypes*/
2148 821577 : ivas_dirac_dec_compute_diffuse_proto( hDirACRend, hSpatParamRendCom->num_freq_bands, slot_idx );
2149 : }
2150 :
2151 : /*Compute PSDs*/
2152 3746643 : ivas_dirac_dec_output_synthesis_process_slot( reference_power,
2153 : p_onset_filter,
2154 : azimuth,
2155 : elevation,
2156 3746643 : hSpatParamRendCom->diffuseness_vector[md_idx],
2157 : hSpatParamRendCom,
2158 : hDirACRend,
2159 : st_ivas->hVBAPdata,
2160 : hDirACRend->hOutSetup,
2161 : nchan_transport,
2162 : md_idx,
2163 : hodirac_flag,
2164 3746643 : hDirAC->hConfig->dec_param_estim );
2165 :
2166 3746643 : if ( hDirAC->hConfig->dec_param_estim )
2167 : {
2168 2253249 : float fac = 1.0f / (float) hSpatParamRendCom->subframe_nbslots[subframe_idx];
2169 2253249 : v_multc_acc( hSpatParamRendCom->diffuseness_vector[md_idx], fac, diffuseness_vector, hSpatParamRendCom->num_freq_bands );
2170 : }
2171 :
2172 3746643 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
2173 : {
2174 911502 : v_add( reference_power, reference_power_smooth, reference_power_smooth, hSpatParamRendCom->num_freq_bands );
2175 : }
2176 : }
2177 :
2178 943161 : ivas_dirac_dec_output_synthesis_get_interpolator( &hDirACRend->h_output_synthesis_psd_params, hSpatParamRendCom->subframe_nbslots[subframe_idx] );
2179 :
2180 :
2181 943161 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2182 : {
2183 711939 : ivas_dirac_dec_output_synthesis_process_subframe_gain_shd( Cldfb_RealBuffer,
2184 : Cldfb_ImagBuffer,
2185 : hSpatParamRendCom,
2186 : hDirACRend,
2187 : nchan_transport,
2188 711939 : hSpatParamRendCom->subframe_nbslots[subframe_idx],
2189 : p_onset_filter,
2190 : diffuseness_vector,
2191 : hodirac_flag,
2192 711939 : hDirAC->hConfig->dec_param_estim );
2193 : }
2194 : else
2195 : {
2196 : /* Determine encoding quality based additional smoothing factor */
2197 231222 : float qualityBasedSmFactor = 1.0f;
2198 :
2199 231222 : if ( st_ivas->hMasa != NULL )
2200 : {
2201 189234 : qualityBasedSmFactor = st_ivas->hMasa->data.dir_decode_quality;
2202 189234 : qualityBasedSmFactor *= qualityBasedSmFactor;
2203 : }
2204 :
2205 231222 : ivas_dirac_dec_output_synthesis_process_subframe_psd_ls( Cldfb_RealBuffer,
2206 : Cldfb_ImagBuffer,
2207 : hSpatParamRendCom,
2208 : hDirACRend,
2209 231222 : hSpatParamRendCom->subframe_nbslots[subframe_idx],
2210 : diffuseness_vector,
2211 : reference_power_smooth,
2212 : qualityBasedSmFactor,
2213 231222 : hDirAC->hConfig->enc_param_start_band );
2214 : }
2215 :
2216 : /*-----------------------------------------------------------------*
2217 : * CLDFB synthesis (and binaural rendering)
2218 : *-----------------------------------------------------------------*/
2219 :
2220 943161 : index_slot = slot_idx_start_cldfb_synth;
2221 :
2222 943161 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
2223 : {
2224 : /* render objects in combined format onto the CICP19 channels for BINAURAL_ROOM_IR */
2225 377181 : if ( st_ivas->ivas_format == SBA_ISM_FORMAT && st_ivas->ism_mode == ISM_SBA_MODE_DISC && st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
2226 : {
2227 : int16_t j, k, l;
2228 : int16_t num_objects, nchan_out_woLFE;
2229 : int16_t az1, el1;
2230 : int16_t n_slots_to_render;
2231 : int16_t n_samples_to_render;
2232 : float gain, prev_gain;
2233 :
2234 36000 : num_objects = st_ivas->nchan_ism;
2235 36000 : nchan_out_woLFE = st_ivas->hIntSetup.nchan_out_woLFE;
2236 36000 : n_slots_to_render = st_ivas->hSpar->subframe_nbslots[st_ivas->hSpar->subframes_rendered];
2237 36000 : n_samples_to_render = hSpatParamRendCom->num_freq_bands * n_slots_to_render;
2238 :
2239 36000 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] )
2240 : {
2241 0 : ivas_jbm_dec_get_adapted_linear_interpolator( n_samples_to_render, n_samples_to_render, st_ivas->hIsmRendererData->interpolator );
2242 0 : st_ivas->hIsmRendererData->interp_offset = 0;
2243 : }
2244 :
2245 168000 : for ( i = 0; i < num_objects; i++ )
2246 : {
2247 : /* Combined rotation: rotate the object positions depending the head and external orientations */
2248 132000 : if ( st_ivas->hCombinedOrientationData != NULL && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] == 1 )
2249 : {
2250 0 : rotateAziEle( st_ivas->hIsmMetaData[i]->azimuth, st_ivas->hIsmMetaData[i]->elevation, &az1, &el1, st_ivas->hCombinedOrientationData->Rmat[0], st_ivas->hIntSetup.is_planar_setup );
2251 0 : if ( st_ivas->hEFAPdata != NULL )
2252 : {
2253 0 : efap_determine_gains( st_ivas->hEFAPdata, st_ivas->hIsmRendererData->gains[i], az1, el1, EFAP_MODE_EFAP );
2254 0 : v_multc( st_ivas->hIsmRendererData->gains[i], st_ivas->hIsmMetaData[i]->edited_gain, st_ivas->hIsmRendererData->gains[i], nchan_out_woLFE );
2255 : }
2256 : }
2257 :
2258 1584000 : for ( j = 0; j < nchan_out_woLFE; j++ )
2259 : {
2260 :
2261 1452000 : gain = st_ivas->hIsmRendererData->gains[i][j];
2262 1452000 : prev_gain = st_ivas->hIsmRendererData->prev_gains[i][j];
2263 1452000 : if ( fabsf( gain ) > 0.0f || fabsf( prev_gain ) > 0.0f )
2264 : {
2265 : float *tc_re, *tc_im;
2266 : float *w1, w2;
2267 :
2268 759228 : w1 = &st_ivas->hIsmRendererData->interpolator[st_ivas->hIsmRendererData->interp_offset];
2269 :
2270 759228 : tc_re = pppQMfFrame_ts_re[nchan_transport + i][0];
2271 759228 : tc_im = pppQMfFrame_ts_im[nchan_transport + i][0];
2272 :
2273 3796140 : for ( k = 0; k < n_slots_to_render; k++ )
2274 : {
2275 : float g;
2276 :
2277 3036912 : w2 = 1.0f - *w1;
2278 3036912 : g = ( *w1 * gain + w2 * prev_gain );
2279 :
2280 163308912 : for ( l = 0; l < hSpatParamRendCom->num_freq_bands; l++ )
2281 : {
2282 160272000 : Cldfb_RealBuffer[j][k][l] += g * *( tc_re++ );
2283 160272000 : Cldfb_ImagBuffer[j][k][l] += g * *( tc_im++ );
2284 : }
2285 3036912 : w1 += hSpatParamRendCom->num_freq_bands;
2286 : }
2287 : }
2288 :
2289 : /* update here only in case of head rotation */
2290 1452000 : if ( st_ivas->hCombinedOrientationData != NULL && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] == 1 )
2291 : {
2292 0 : st_ivas->hIsmRendererData->prev_gains[i][j] = gain;
2293 : }
2294 : }
2295 : }
2296 36000 : st_ivas->hIsmRendererData->interp_offset += hSpatParamRendCom->num_freq_bands * st_ivas->hSpar->subframe_nbslots[st_ivas->hSpar->subframes_rendered];
2297 : }
2298 :
2299 377181 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
2300 : {
2301 0 : if ( st_ivas->hSplitBinRend->hCldfbDataOut != NULL )
2302 : {
2303 0 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
2304 : {
2305 0 : for ( ch = 0; ch < st_ivas->hBinRenderer->nInChannels; ch++ )
2306 : {
2307 0 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_RealBuffer[ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2308 0 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_ImagBuffer[ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2309 : }
2310 : }
2311 0 : st_ivas->hSplitBinRend->hCldfbDataOut->config = st_ivas->hIntSetup.output_config;
2312 : }
2313 : }
2314 :
2315 : /* Perform binaural rendering */
2316 377181 : ivas_binRenderer( st_ivas->hBinRenderer, ( st_ivas->hSplitBinRend == NULL ) ? NULL : &st_ivas->hSplitBinRend->splitrend.multiBinPoseData, st_ivas->hCombinedOrientationData, hSpatParamRendCom->subframe_nbslots[subframe_idx],
2317 : #ifdef SPLIT_REND_WITH_HEAD_ROT_DEBUG
2318 : NULL,
2319 : #endif
2320 : Cldfb_RealBuffer_Binaural, Cldfb_ImagBuffer_Binaural, Cldfb_RealBuffer, Cldfb_ImagBuffer );
2321 :
2322 377181 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
2323 : {
2324 : int16_t pos_idx;
2325 0 : for ( pos_idx = 0; pos_idx < st_ivas->hBinRenderer->numPoses; pos_idx++ )
2326 : {
2327 0 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
2328 : {
2329 0 : for ( ch = 0; ch < st_ivas->hDecoderConfig->nchan_out; ch++ )
2330 : {
2331 0 : mvr2r( Cldfb_RealBuffer_Binaural[pos_idx][ch][slot_idx], st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2332 0 : mvr2r( Cldfb_ImagBuffer_Binaural[pos_idx][ch][slot_idx], st_ivas->hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2333 : }
2334 : }
2335 : }
2336 : }
2337 :
2338 : /* Inverse CLDFB*/
2339 1131543 : for ( ch = 0; ch < st_ivas->hDecoderConfig->nchan_out; ch++ )
2340 : {
2341 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2342 : float *RealBuffer[MAX_PARAM_SPATIAL_SUBFRAMES];
2343 : float *ImagBuffer[MAX_PARAM_SPATIAL_SUBFRAMES];
2344 :
2345 3768930 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2346 : {
2347 3014568 : RealBuffer[i] = Cldfb_RealBuffer_Binaural[0][ch][i];
2348 3014568 : ImagBuffer[i] = Cldfb_ImagBuffer_Binaural[0][ch][i];
2349 : }
2350 :
2351 754362 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][index_slot * hSpatParamRendCom->num_freq_bands] ), hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->subframe_nbslots[subframe_idx], st_ivas->cldfbSynDec[ch] );
2352 : }
2353 : }
2354 565980 : else if ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
2355 : {
2356 4577877 : for ( ch = 0; ch < hDirACRend->hOutSetup.nchan_out_woLFE; ch++ )
2357 : {
2358 20956560 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
2359 : {
2360 16729488 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], pppQMfFrame_ts_re[ch][slot_idx], hSpatParamRendCom->num_freq_bands );
2361 16729488 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], pppQMfFrame_ts_im[ch][slot_idx], hSpatParamRendCom->num_freq_bands );
2362 : }
2363 : }
2364 : }
2365 : else
2366 : {
2367 : float *RealBuffer[MAX_PARAM_SPATIAL_SUBFRAMES];
2368 : float *ImagBuffer[MAX_PARAM_SPATIAL_SUBFRAMES];
2369 : int16_t outchannels;
2370 :
2371 215175 : idx_in = 0;
2372 215175 : idx_lfe = 0;
2373 :
2374 215175 : outchannels = hDirACRend->hOutSetup.nchan_out_woLFE + hDirACRend->hOutSetup.num_lfe;
2375 215175 : if ( hDirACRend->hOutSetup.separateChannelEnabled && ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1 ||
2376 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1 ||
2377 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_2 ||
2378 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_4 ||
2379 600 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1_4 ||
2380 0 : ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM && st_ivas->hLsSetupCustom->separate_ch_found ) ) )
2381 : {
2382 2628 : outchannels++;
2383 : }
2384 :
2385 215175 : if ( hDirACRend->hOutSetup.separateChannelEnabled && hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM )
2386 0 : {
2387 : float tmp_separated[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
2388 : float tmp_lfe[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
2389 0 : const int16_t subframe_start_sample = index_slot * hSpatParamRendCom->num_freq_bands;
2390 0 : const int16_t num_samples_subframe = hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->subframe_nbslots[subframe_idx];
2391 :
2392 : /* Move the separated and the LFE channels to temporary variables as spatial synthesis may overwrite current channels */
2393 0 : mvr2r( &( output_f[st_ivas->hOutSetup.separateChannelIndex][subframe_start_sample] ), tmp_separated, num_samples_subframe );
2394 0 : mvr2r( &( output_f[LFE_CHANNEL][subframe_start_sample] ), tmp_lfe, num_samples_subframe );
2395 :
2396 0 : for ( ch = 0; ch < outchannels; ch++ )
2397 : {
2398 0 : if ( ( hDirACRend->hOutSetup.num_lfe > 0 ) && ( hDirACRend->hOutSetup.index_lfe[idx_lfe] == ch ) )
2399 : {
2400 : /* Move the LFE channel to the correct place */
2401 0 : mvr2r( tmp_lfe, &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2402 :
2403 0 : if ( idx_lfe < ( hDirACRend->hOutSetup.num_lfe - 1 ) )
2404 : {
2405 0 : idx_lfe++;
2406 : }
2407 : }
2408 0 : else if ( ( st_ivas->hLsSetupCustom->separate_ch_found ) && ( hDirACRend->hOutSetup.separateChannelIndex == ch ) )
2409 : {
2410 : /* Move the separated channel to the correct place. Thus, the separated channel is
2411 : * combined with the synthesized channels here when there is a matching channel. */
2412 0 : mvr2r( tmp_separated, &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2413 : }
2414 : else
2415 : {
2416 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2417 0 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2418 : {
2419 0 : RealBuffer[i] = Cldfb_RealBuffer[idx_in][i];
2420 0 : ImagBuffer[i] = Cldfb_ImagBuffer[idx_in][i];
2421 : }
2422 0 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][subframe_start_sample] ), num_samples_subframe, st_ivas->cldfbSynDec[idx_in] );
2423 :
2424 0 : if ( !st_ivas->hLsSetupCustom->separate_ch_found )
2425 : {
2426 : /* Pan the separated channel and mix with the synthesized channels. Thus, the separated channel
2427 : * is combined with the synthesized channels here when there is no matching channel. */
2428 0 : v_multc_acc( tmp_separated, st_ivas->hLsSetupCustom->separate_ch_gains[idx_in], &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2429 : }
2430 :
2431 0 : idx_in++;
2432 : }
2433 : }
2434 : }
2435 : else
2436 : {
2437 1641534 : for ( ch = 0; ch < outchannels; ch++ )
2438 : {
2439 1426359 : if ( ( hDirACRend->hOutSetup.num_lfe > 0 ) && ( hDirACRend->hOutSetup.index_lfe[idx_lfe] == ch ) )
2440 : {
2441 124530 : if ( st_ivas->mc_mode == MC_MODE_MCMASA && !hDirACRend->hOutSetup.separateChannelEnabled )
2442 : {
2443 99600 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2444 : {
2445 79680 : RealBuffer[i] = Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS - 1][i];
2446 79680 : ImagBuffer[i] = Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS - 1][i];
2447 : }
2448 19920 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][index_slot * hSpatParamRendCom->num_freq_bands] ), hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->subframe_nbslots[subframe_idx], st_ivas->cldfbSynDec[hDirACRend->hOutSetup.nchan_out_woLFE + idx_lfe] );
2449 : }
2450 104610 : else if ( st_ivas->mc_mode == MC_MODE_MCMASA && hDirACRend->hOutSetup.separateChannelEnabled )
2451 : {
2452 : /* LFE has been synthesized in the time domain, do nothing. */
2453 : }
2454 : else
2455 : {
2456 101982 : set_zero( &( output_f[ch][index_slot * hSpatParamRendCom->num_freq_bands] ), hSpatParamRendCom->subframe_nbslots[subframe_idx] * hSpatParamRendCom->num_freq_bands );
2457 : }
2458 :
2459 124530 : if ( idx_lfe < ( hDirACRend->hOutSetup.num_lfe - 1 ) )
2460 : {
2461 0 : idx_lfe++;
2462 : }
2463 : }
2464 1301829 : else if ( ( hDirACRend->hOutSetup.separateChannelEnabled ) && ( hDirACRend->hOutSetup.separateChannelIndex == ch ) )
2465 : {
2466 : /* The separated channel is already set to output_f[hOutSetup.separateChannelIndex]. Thus, the separated
2467 : * channel is combined with the synthesized channels here. */
2468 : }
2469 : else
2470 : {
2471 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2472 6465915 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2473 : {
2474 5166714 : RealBuffer[i] = Cldfb_RealBuffer[idx_in][i];
2475 5166714 : ImagBuffer[i] = Cldfb_ImagBuffer[idx_in][i];
2476 : }
2477 1299201 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][index_slot * hSpatParamRendCom->num_freq_bands] ), hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->subframe_nbslots[subframe_idx], st_ivas->cldfbSynDec[idx_in] );
2478 1299201 : idx_in++;
2479 : }
2480 : }
2481 : }
2482 : }
2483 943161 : hSpatParamRendCom->slots_rendered += hSpatParamRendCom->subframe_nbslots[subframe_idx];
2484 943161 : hSpatParamRendCom->subframes_rendered++;
2485 :
2486 943161 : pop_wmops();
2487 :
2488 943161 : return;
2489 : }
|
