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 *p_output_f[MAX_OUTPUT_CHANNELS];
1558 : float output_f_local_buff[MAX_OUTPUT_CHANNELS][L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
1559 :
1560 130079 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
1561 :
1562 130079 : nchan_intern = st_ivas->hIntSetup.nchan_out_woLFE + st_ivas->hIntSetup.num_lfe;
1563 : #ifdef DEBUGGING
1564 : assert( hSpatParamRendCom );
1565 : #endif
1566 977433 : for ( ch = 0; ch < nchan_intern; ch++ )
1567 : {
1568 847354 : output_f_local[ch] = output_f_local_buff[ch];
1569 847354 : p_output_f[ch] = output_f[ch];
1570 : }
1571 130079 : slot_size = NS2SA( st_ivas->hDecoderConfig->output_Fs, CLDFB_SLOT_NS );
1572 :
1573 : /* loop for synthesis, assume we always have to render in multiples of 5ms subframes with spills */
1574 130079 : slots_to_render = min( hSpatParamRendCom->num_slots - hSpatParamRendCom->slots_rendered, nSamplesAsked / slot_size );
1575 130079 : *nSamplesRendered = slots_to_render * slot_size;
1576 130079 : first_sf = hSpatParamRendCom->subframes_rendered;
1577 130079 : last_sf = first_sf;
1578 :
1579 345254 : while ( slots_to_render > 0 )
1580 : {
1581 215175 : slots_to_render -= hSpatParamRendCom->subframe_nbslots[last_sf];
1582 215175 : last_sf++;
1583 : }
1584 :
1585 : #ifdef DEBUGGING
1586 : assert( slots_to_render == 0 );
1587 : #endif
1588 345254 : for ( subframe_idx = first_sf; subframe_idx < last_sf; subframe_idx++ )
1589 : {
1590 215175 : ivas_dirac_dec_render_sf( st_ivas, output_f_local, nchan_transport, NULL, NULL );
1591 :
1592 215175 : n_samples_sf = hSpatParamRendCom->subframe_nbslots[subframe_idx] * hSpatParamRendCom->slot_size;
1593 :
1594 1641534 : for ( ch = 0; ch < nchan_intern; ch++ )
1595 : {
1596 : /* move to output */
1597 1426359 : if ( !( ( st_ivas->hDirACRend->hOutSetup.separateChannelEnabled ) && ( st_ivas->hDirACRend->hOutSetup.separateChannelIndex == ch || st_ivas->hDirACRend->hOutSetup.separateChannelIndex + 1 == ch ) ) )
1598 : {
1599 1421103 : mvr2r( output_f_local_buff[ch], p_output_f[ch], n_samples_sf );
1600 : }
1601 :
1602 1426359 : p_output_f[ch] += n_samples_sf;
1603 : }
1604 :
1605 : /* update combined orientation access index */
1606 215175 : ivas_combined_orientation_update_index( st_ivas->hCombinedOrientationData, n_samples_sf );
1607 : }
1608 :
1609 130079 : if ( hSpatParamRendCom->slots_rendered == hSpatParamRendCom->num_slots )
1610 : {
1611 52944 : if ( st_ivas->hDirAC->hConfig->dec_param_estim == 1 )
1612 : {
1613 0 : hSpatParamRendCom->dirac_read_idx = ( hSpatParamRendCom->dirac_read_idx + DEFAULT_JBM_CLDFB_TIMESLOTS ) % hSpatParamRendCom->dirac_md_buffer_length;
1614 : }
1615 : else
1616 : {
1617 52944 : hSpatParamRendCom->dirac_read_idx = ( hSpatParamRendCom->dirac_read_idx + DEFAULT_JBM_SUBFRAMES_5MS ) % hSpatParamRendCom->dirac_md_buffer_length;
1618 : }
1619 : }
1620 :
1621 130079 : *nSamplesAvailableNext = ( hSpatParamRendCom->num_slots - hSpatParamRendCom->slots_rendered ) * slot_size;
1622 :
1623 130079 : return;
1624 : }
1625 :
1626 :
1627 : /*-------------------------------------------------------------------------
1628 : * Local functions to perform binaural rendering with optimized stack
1629 : *------------------------------------------------------------------------*/
1630 :
1631 0 : static void binRenderer_split(
1632 : BINAURAL_RENDERER_HANDLE hBinRenderer, /* i/o: binaural renderer handle */
1633 : ISAR_DEC_SPLIT_REND_WRAPPER_HANDLE hSplitBinRend, /* i/o: ISAR split binaural rendering handle */
1634 : COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i : combined head and external orientation handle */
1635 : const int16_t numTimeSlots, /* i : number of time slots to render */
1636 : float Cldfb_RealBuffer_Binaural[][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* o : Rotated Binaural signals */
1637 : float Cldfb_ImagBuffer_Binaural[][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* o : Rotated Binaural signals */
1638 : float RealBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i : LS signals */
1639 : float ImagBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i : LS signals */
1640 : const int16_t slot_idx_start,
1641 : const int16_t num_freq_bands,
1642 : const int16_t nchan_out )
1643 : {
1644 : int16_t pos_idx, slot_idx, ch;
1645 : float Cldfb_RealBuffer_Binaural_loc[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1646 : float Cldfb_ImagBuffer_Binaural_loc[MAX_HEAD_ROT_POSES][BINAURAL_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1647 :
1648 : /* Perform binaural rendering */
1649 0 : ivas_binRenderer( hBinRenderer, &hSplitBinRend->splitrend.multiBinPoseData, hCombinedOrientationData, numTimeSlots,
1650 : #ifdef SPLIT_REND_WITH_HEAD_ROT_DEBUG
1651 : NULL,
1652 : #endif
1653 : Cldfb_RealBuffer_Binaural_loc, Cldfb_ImagBuffer_Binaural_loc, RealBuffer, ImagBuffer );
1654 :
1655 0 : for ( slot_idx = 0; slot_idx < numTimeSlots; slot_idx++ )
1656 : {
1657 0 : for ( ch = 0; ch < BINAURAL_CHANNELS; ch++ )
1658 : {
1659 0 : mvr2r( Cldfb_RealBuffer_Binaural_loc[0][ch][slot_idx], Cldfb_RealBuffer_Binaural[0][ch][slot_idx], num_freq_bands );
1660 0 : mvr2r( Cldfb_ImagBuffer_Binaural_loc[0][ch][slot_idx], Cldfb_ImagBuffer_Binaural[0][ch][slot_idx], num_freq_bands );
1661 : }
1662 : }
1663 :
1664 0 : for ( pos_idx = 0; pos_idx < hBinRenderer->numPoses; pos_idx++ )
1665 : {
1666 0 : for ( slot_idx = 0; slot_idx < numTimeSlots; slot_idx++ )
1667 : {
1668 0 : for ( ch = 0; ch < nchan_out; ch++ )
1669 : {
1670 0 : mvr2r( Cldfb_RealBuffer_Binaural_loc[pos_idx][ch][slot_idx], hSplitBinRend->hMultiBinCldfbData->Cldfb_RealBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], num_freq_bands );
1671 0 : mvr2r( Cldfb_ImagBuffer_Binaural_loc[pos_idx][ch][slot_idx], hSplitBinRend->hMultiBinCldfbData->Cldfb_ImagBuffer_Binaural[( pos_idx * BINAURAL_CHANNELS ) + ch][slot_idx_start + slot_idx], num_freq_bands );
1672 : }
1673 : }
1674 : }
1675 :
1676 0 : return;
1677 : }
1678 :
1679 :
1680 377181 : static void binRenderer(
1681 : BINAURAL_RENDERER_HANDLE hBinRenderer, /* i/o: binaural renderer handle */
1682 : COMBINED_ORIENTATION_HANDLE hCombinedOrientationData, /* i : combined head and external orientation handle */
1683 : const int16_t numTimeSlots, /* i : number of time slots to render */
1684 : float Cldfb_RealBuffer_Binaural[][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* o : Rotated Binaural signals */
1685 : float Cldfb_ImagBuffer_Binaural[][BINAURAL_CHANNELS][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* o : Rotated Binaural signals */
1686 : float RealBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX], /* i : LS signals */
1687 : float ImagBuffer[][MAX_PARAM_SPATIAL_SUBFRAMES][CLDFB_NO_CHANNELS_MAX] /* i : LS signals */
1688 : )
1689 : {
1690 : /* Perform binaural rendering */
1691 377181 : ivas_binRenderer( hBinRenderer, NULL, hCombinedOrientationData, numTimeSlots,
1692 : #ifdef SPLIT_REND_WITH_HEAD_ROT_DEBUG
1693 : NULL,
1694 : #endif
1695 : Cldfb_RealBuffer_Binaural, Cldfb_ImagBuffer_Binaural, RealBuffer, ImagBuffer );
1696 :
1697 377181 : return;
1698 : }
1699 :
1700 :
1701 : /*-------------------------------------------------------------------------
1702 : * ivas_dirac_dec_render_sf()
1703 : *
1704 : * DirAC decoding renderer process
1705 : *------------------------------------------------------------------------*/
1706 :
1707 943161 : void ivas_dirac_dec_render_sf(
1708 : Decoder_Struct *st_ivas, /* i/o: IVAS decoder structure */
1709 : float *output_f[], /* i/o: synthesized core-coder transport channels/DirAC output */
1710 : const int16_t nchan_transport, /* i : number of transport channels */
1711 : float *pppQMfFrame_ts_re[HOA3_CHANNELS][CLDFB_NO_COL_MAX],
1712 : float *pppQMfFrame_ts_im[HOA3_CHANNELS][CLDFB_NO_COL_MAX] )
1713 : {
1714 : int16_t i, ch, idx_in, idx_lfe;
1715 : DIRAC_DEC_HANDLE hDirAC;
1716 : DIRAC_REND_HANDLE hDirACRend;
1717 : float dirEne;
1718 : float surCohEner;
1719 : float surCohRatio[CLDFB_NO_CHANNELS_MAX];
1720 : int16_t subframe_idx;
1721 : int16_t slot_idx, index_slot;
1722 : int16_t hodirac_flag;
1723 : float *p_Rmat;
1724 : int16_t slot_idx_start, slot_idx_start_cldfb_synth, md_idx;
1725 :
1726 : /*CLDFB: last output channels reserved to LFE for CICPx*/
1727 : float Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1728 : float Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1729 : float Cldfb_RealBuffer_Binaural[1][BINAURAL_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1730 : float Cldfb_ImagBuffer_Binaural[1][BINAURAL_CHANNELS][CLDFB_SLOTS_PER_SUBFRAME][CLDFB_NO_CHANNELS_MAX];
1731 : int16_t index, num_freq_bands;
1732 :
1733 : /* local copies of azi, ele, diffuseness */
1734 : int16_t azimuth[CLDFB_NO_CHANNELS_MAX];
1735 : int16_t elevation[CLDFB_NO_CHANNELS_MAX];
1736 : float diffuseness_vector[CLDFB_NO_CHANNELS_MAX];
1737 :
1738 : DIRAC_DEC_STACK_MEM DirAC_mem;
1739 : float *reference_power, *reference_power_smooth;
1740 943161 : float *onset_filter, *onset_filter_subframe, *p_onset_filter = NULL;
1741 : uint16_t coherence_flag;
1742 : SPAT_PARAM_REND_COMMON_DATA_HANDLE hSpatParamRendCom;
1743 :
1744 943161 : push_wmops( "ivas_dirac_dec_render" );
1745 :
1746 : /* Initialize aux buffers */
1747 943161 : hDirAC = st_ivas->hDirAC;
1748 943161 : hDirACRend = st_ivas->hDirACRend;
1749 943161 : hSpatParamRendCom = st_ivas->hSpatParamRendCom;
1750 :
1751 943161 : DirAC_mem = hDirACRend->stack_mem;
1752 :
1753 943161 : reference_power = DirAC_mem.reference_power;
1754 943161 : reference_power_smooth = ( DirAC_mem.reference_power == NULL ) ? NULL : DirAC_mem.reference_power + hSpatParamRendCom->num_freq_bands;
1755 943161 : onset_filter = DirAC_mem.onset_filter;
1756 943161 : onset_filter_subframe = ( DirAC_mem.onset_filter == NULL ) ? NULL : DirAC_mem.onset_filter + hSpatParamRendCom->num_freq_bands;
1757 :
1758 943161 : hodirac_flag = ivas_get_hodirac_flag( st_ivas->hDecoderConfig->ivas_total_brate, st_ivas->sba_analysis_order );
1759 943161 : if ( st_ivas->hQMetaData != NULL && st_ivas->ivas_format != SBA_FORMAT && st_ivas->ivas_format != SBA_ISM_FORMAT )
1760 : {
1761 215175 : coherence_flag = st_ivas->hQMetaData->coherence_flag;
1762 : }
1763 : else
1764 : {
1765 727986 : coherence_flag = 0;
1766 : }
1767 :
1768 : #ifdef DEBUG_MODE_DIRAC
1769 : {
1770 : int16_t n, tmp[IVAS_SPAR_MAX_CH * L_FRAME48k];
1771 : char file_name[50] = { 0 };
1772 : const int16_t output_frame = st_ivas->hDecoderConfig->output_Fs / FRAMES_PER_SEC;
1773 :
1774 : for ( n = 0; n < nchan_transport; n++ )
1775 : {
1776 : for ( i = 0; i < output_frame; i++ )
1777 : {
1778 : tmp[nchan_transport * i + n] = (int16_t) ( output_f[n][i] + 0.5f );
1779 : }
1780 : }
1781 : sprintf( file_name, "./res/ivas_dirac_dec_DMX%d.%d.pcm", nchan_transport, (int16_t) ( output_frame * 0.05 ) );
1782 : dbgwrite( tmp, sizeof( int16_t ), nchan_transport * output_frame, 1, file_name );
1783 : }
1784 : #endif
1785 :
1786 : /* Subframe loop */
1787 943161 : slot_idx_start = hSpatParamRendCom->slots_rendered;
1788 943161 : slot_idx_start_cldfb_synth = 0;
1789 :
1790 943161 : subframe_idx = hSpatParamRendCom->subframes_rendered;
1791 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1792 : {
1793 376695 : md_idx = hSpatParamRendCom->render_to_md_map[subframe_idx];
1794 : }
1795 : else
1796 : {
1797 566466 : md_idx = hSpatParamRendCom->render_to_md_map[slot_idx_start];
1798 : }
1799 :
1800 : /* copy parameters into local buffers*/
1801 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1802 : {
1803 376695 : mvs2s( hSpatParamRendCom->azimuth[hSpatParamRendCom->render_to_md_map[subframe_idx]], azimuth, hSpatParamRendCom->num_freq_bands );
1804 376695 : mvs2s( hSpatParamRendCom->elevation[hSpatParamRendCom->render_to_md_map[subframe_idx]], elevation, hSpatParamRendCom->num_freq_bands );
1805 376695 : mvr2r( hSpatParamRendCom->diffuseness_vector[hSpatParamRendCom->render_to_md_map[subframe_idx]], diffuseness_vector, hSpatParamRendCom->num_freq_bands );
1806 : }
1807 : else
1808 : {
1809 566466 : set_zero( diffuseness_vector, hSpatParamRendCom->num_freq_bands );
1810 : }
1811 :
1812 943161 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
1813 : {
1814 231222 : set_zero( reference_power_smooth, hSpatParamRendCom->num_freq_bands );
1815 : }
1816 : else
1817 : {
1818 711939 : set_zero( onset_filter_subframe, hSpatParamRendCom->num_freq_bands );
1819 : }
1820 :
1821 943161 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[st_ivas->hCombinedOrientationData->subframe_idx] )
1822 : {
1823 124200 : p_Rmat = &st_ivas->hCombinedOrientationData->Rmat[st_ivas->hCombinedOrientationData->subframe_idx][0][0];
1824 124200 : if ( st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
1825 : {
1826 110400 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
1827 110400 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1828 : {
1829 0 : rotateAziEle_DirAC( azimuth, elevation, num_freq_bands, hSpatParamRendCom->num_freq_bands, p_Rmat );
1830 : }
1831 : }
1832 : }
1833 : else
1834 : {
1835 818961 : p_Rmat = 0;
1836 : }
1837 :
1838 943161 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
1839 : {
1840 : /* compute response */
1841 376695 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
1842 : {
1843 189234 : ivas_dirac_dec_compute_power_factors( hSpatParamRendCom->num_freq_bands,
1844 : diffuseness_vector,
1845 189234 : hDirACRend->h_output_synthesis_psd_params.max_band_decorr,
1846 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor,
1847 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor );
1848 :
1849 189234 : if ( coherence_flag )
1850 : {
1851 4951344 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
1852 : {
1853 4862040 : dirEne = hDirACRend->h_output_synthesis_psd_state.direct_power_factor[i];
1854 4862040 : surCohEner = hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor[i] * hSpatParamRendCom->surroundingCoherence[md_idx][i];
1855 4862040 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor[i] -= surCohEner;
1856 4862040 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor[i] += surCohEner;
1857 :
1858 4862040 : surCohRatio[i] = surCohEner / ( 1e-12f + dirEne + surCohEner );
1859 : }
1860 : }
1861 : else
1862 : {
1863 99930 : set_zero( surCohRatio, hSpatParamRendCom->num_freq_bands );
1864 : }
1865 : }
1866 : else
1867 : {
1868 187461 : ivas_dirac_dec_compute_gain_factors( hSpatParamRendCom->num_freq_bands,
1869 187461 : hSpatParamRendCom->diffuseness_vector[md_idx],
1870 187461 : hDirACRend->h_output_synthesis_psd_params.max_band_decorr,
1871 : hDirACRend->h_output_synthesis_psd_state.direct_power_factor,
1872 : hDirACRend->h_output_synthesis_psd_state.diffuse_power_factor );
1873 :
1874 187461 : if ( coherence_flag )
1875 : {
1876 791841 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
1877 : {
1878 778860 : surCohRatio[i] = hSpatParamRendCom->surroundingCoherence[md_idx][i];
1879 : }
1880 : }
1881 : else
1882 : {
1883 174480 : set_zero( surCohRatio, hSpatParamRendCom->num_freq_bands );
1884 : }
1885 : }
1886 376695 : ivas_dirac_dec_compute_directional_responses( hSpatParamRendCom,
1887 : hDirACRend,
1888 : st_ivas->hVBAPdata,
1889 376695 : st_ivas->hMasa == NULL ? NULL : st_ivas->hMasa->data.band_mapping,
1890 : st_ivas->hMasaIsmData,
1891 : azimuth,
1892 : elevation,
1893 : md_idx,
1894 : surCohRatio,
1895 : hodirac_flag );
1896 : }
1897 :
1898 943161 : if ( st_ivas->ivas_format == MASA_ISM_FORMAT && nchan_transport == 2 )
1899 : {
1900 151923 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
1901 : {
1902 120819 : index_slot = slot_idx_start + slot_idx;
1903 :
1904 : /* CLDFB Analysis*/
1905 362457 : for ( ch = 0; ch < nchan_transport; ch++ )
1906 : {
1907 241638 : cldfbAnalysis_ts( &( st_ivas->hTcBuffer->tc[hDirACRend->sba_map_tc[ch]][hSpatParamRendCom->num_freq_bands * index_slot] ),
1908 241638 : Cldfb_RealBuffer_Binaural[0][ch][slot_idx], /* note: it is a tmp. buffer at this point */
1909 241638 : Cldfb_ImagBuffer_Binaural[0][ch][slot_idx], /* note: it is a tmp. buffer at this point */
1910 241638 : hSpatParamRendCom->num_freq_bands,
1911 : st_ivas->cldfbAnaDec[ch] );
1912 : }
1913 : }
1914 :
1915 31104 : if ( st_ivas->ism_mode == ISM_MASA_MODE_PARAM_ONE_OBJ )
1916 : {
1917 8127 : ivas_omasa_preProcessStereoTransportsForEditedObjects( st_ivas, Cldfb_RealBuffer_Binaural[0], Cldfb_ImagBuffer_Binaural[0], hSpatParamRendCom->num_freq_bands, subframe_idx );
1918 : }
1919 : }
1920 :
1921 4689804 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
1922 : {
1923 3746643 : index_slot = slot_idx_start + slot_idx;
1924 3746643 : if ( hDirAC->hConfig->dec_param_estim == TRUE )
1925 : {
1926 2253249 : md_idx = hSpatParamRendCom->render_to_md_map[index_slot];
1927 : }
1928 : else
1929 : {
1930 1493394 : md_idx = hSpatParamRendCom->render_to_md_map[subframe_idx];
1931 : }
1932 3746643 : if ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
1933 : {
1934 19007349 : for ( ch = 0; ch < nchan_transport; ch++ )
1935 : {
1936 16108020 : mvr2r( pppQMfFrame_ts_re[ch][slot_idx], Cldfb_RealBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1937 16108020 : mvr2r( pppQMfFrame_ts_im[ch][slot_idx], Cldfb_ImagBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1938 : }
1939 : }
1940 847314 : else if ( st_ivas->ivas_format == MASA_ISM_FORMAT && nchan_transport == 2 )
1941 : {
1942 362457 : for ( ch = 0; ch < nchan_transport; ch++ )
1943 : {
1944 241638 : mvr2r( Cldfb_RealBuffer_Binaural[0][ch][slot_idx], Cldfb_RealBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1945 241638 : mvr2r( Cldfb_ImagBuffer_Binaural[0][ch][slot_idx], Cldfb_ImagBuffer[ch][0], hSpatParamRendCom->num_freq_bands );
1946 : }
1947 : }
1948 : else
1949 : {
1950 : /* CLDFB Analysis*/
1951 1738947 : for ( ch = 0; ch < nchan_transport; ch++ )
1952 : {
1953 1012452 : cldfbAnalysis_ts( &( st_ivas->hTcBuffer->tc[hDirACRend->sba_map_tc[ch]][hSpatParamRendCom->num_freq_bands * index_slot] ),
1954 1012452 : Cldfb_RealBuffer[ch][0],
1955 1012452 : Cldfb_ImagBuffer[ch][0],
1956 1012452 : hSpatParamRendCom->num_freq_bands,
1957 : st_ivas->cldfbAnaDec[ch] );
1958 : }
1959 : }
1960 :
1961 : /* CNG in DirAC, extra CLDFB ana for CNA*/
1962 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 ) )
1963 : {
1964 103764 : Decoder_State *st = st_ivas->hSCE[0]->hCoreCoder[0];
1965 :
1966 207528 : generate_masking_noise_dirac( st->hFdCngDec->hFdCngCom,
1967 : st_ivas->cldfbAnaDec[1],
1968 103764 : &st_ivas->hTcBuffer->tc[1][hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->slots_rendered],
1969 : Cldfb_RealBuffer[1][0],
1970 : Cldfb_ImagBuffer[1][0],
1971 : slot_idx,
1972 103764 : st->cna_dirac_flag && st->flag_cna,
1973 103764 : ( st->core_brate == FRAME_NO_DATA || st->core_brate == SID_2k40 ) && st->cng_type == FD_CNG && st->cng_sba_flag );
1974 : }
1975 :
1976 : /* LFE synthesis */
1977 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 ) )
1978 : {
1979 79680 : ivas_lfe_synth_with_cldfb( st_ivas->hMasa->hMasaLfeSynth,
1980 : Cldfb_RealBuffer, Cldfb_ImagBuffer,
1981 : Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS - 1], Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS - 1],
1982 : slot_idx,
1983 : md_idx,
1984 : nchan_transport );
1985 : }
1986 :
1987 : /*-----------------------------------------------------------------*
1988 : * protoype signal computation
1989 : *-----------------------------------------------------------------*/
1990 :
1991 3746643 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
1992 : {
1993 2835141 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[st_ivas->hCombinedOrientationData->subframe_idx] && st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
1994 : {
1995 441600 : protoSignalComputation_shd( Cldfb_RealBuffer, Cldfb_ImagBuffer,
1996 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
1997 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f,
1998 : reference_power, slot_idx, nchan_transport,
1999 441600 : hDirACRend->num_outputs_diff,
2000 441600 : hSpatParamRendCom->num_freq_bands,
2001 : p_Rmat );
2002 : }
2003 : else
2004 : {
2005 2393541 : protoSignalComputation_shd( Cldfb_RealBuffer, Cldfb_ImagBuffer,
2006 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
2007 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f,
2008 : reference_power, slot_idx, nchan_transport,
2009 2393541 : hDirACRend->num_outputs_diff,
2010 2393541 : hSpatParamRendCom->num_freq_bands,
2011 : 0 );
2012 : }
2013 : }
2014 911502 : else if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_MONO )
2015 : {
2016 89925 : protoSignalComputation2( Cldfb_RealBuffer, Cldfb_ImagBuffer, hDirACRend->proto_frame_f,
2017 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
2018 : reference_power, hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
2019 89925 : 0, slot_idx, hSpatParamRendCom->num_freq_bands, hDirACRend->masa_stereo_type_detect );
2020 : }
2021 : else
2022 : {
2023 821577 : switch ( nchan_transport )
2024 : {
2025 167952 : case 11:
2026 : case 8:
2027 : case 6:
2028 : case 4:
2029 167952 : protoSignalComputation4( Cldfb_RealBuffer, Cldfb_ImagBuffer,
2030 : hDirACRend->proto_frame_f,
2031 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
2032 : reference_power,
2033 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
2034 167952 : slot_idx, hDirACRend->num_outputs_diff,
2035 167952 : hSpatParamRendCom->num_freq_bands,
2036 : hDirACRend->hoa_decoder,
2037 : nchan_transport,
2038 : hDirACRend->sba_map_tc );
2039 167952 : break;
2040 316851 : case 2:
2041 316851 : protoSignalComputation2( Cldfb_RealBuffer, Cldfb_ImagBuffer,
2042 : hDirACRend->proto_frame_f,
2043 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
2044 : reference_power,
2045 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
2046 316851 : hDirACRend->hOutSetup.is_loudspeaker_setup,
2047 : slot_idx,
2048 316851 : hSpatParamRendCom->num_freq_bands,
2049 : hDirACRend->masa_stereo_type_detect );
2050 316851 : break;
2051 336774 : case 1:
2052 336774 : protoSignalComputation1( Cldfb_RealBuffer, Cldfb_ImagBuffer,
2053 : hDirACRend->proto_frame_f,
2054 : hDirACRend->h_output_synthesis_psd_state.proto_direct_buffer_f,
2055 : reference_power,
2056 : hDirACRend->h_output_synthesis_psd_state.proto_power_smooth,
2057 : slot_idx,
2058 336774 : hDirACRend->num_protos_diff,
2059 336774 : hSpatParamRendCom->num_freq_bands );
2060 336774 : break;
2061 0 : default:
2062 0 : return;
2063 : }
2064 : }
2065 :
2066 :
2067 : /*-----------------------------------------------------------------*
2068 : * Compute DirAC parameters at decoder side
2069 : *-----------------------------------------------------------------*/
2070 :
2071 3746643 : if ( hDirAC->hConfig->dec_param_estim == TRUE )
2072 : {
2073 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 );
2074 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 );
2075 2253249 : if ( ( st_ivas->hDecoderConfig->Opt_Headrotation || st_ivas->hDecoderConfig->Opt_ExternalOrientation ) && st_ivas->hCombinedOrientationData->shd_rot_max_order == 0 )
2076 : {
2077 441600 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
2078 441600 : rotateAziEle_DirAC( azimuth, elevation, num_freq_bands, hSpatParamRendCom->num_freq_bands, p_Rmat );
2079 : }
2080 :
2081 2253249 : hDirACRend->index_buffer_intensity = ( hDirACRend->index_buffer_intensity % DIRAC_NO_COL_AVG_DIFF ) + 1; /* averaging_length = 32 */
2082 :
2083 2253249 : index = hDirACRend->index_buffer_intensity;
2084 :
2085 2253249 : num_freq_bands = hDirAC->band_grouping[hDirAC->hConfig->enc_param_start_band];
2086 :
2087 2253249 : computeIntensityVector_dec( Cldfb_RealBuffer,
2088 : Cldfb_ImagBuffer,
2089 : num_freq_bands,
2090 2253249 : hDirACRend->buffer_intensity_real[0][index - 1],
2091 2253249 : hDirACRend->buffer_intensity_real[1][index - 1],
2092 2253249 : hDirACRend->buffer_intensity_real[2][index - 1] );
2093 :
2094 2253249 : computeDirectionAngles( hDirACRend->buffer_intensity_real[0][index - 1],
2095 2253249 : hDirACRend->buffer_intensity_real[1][index - 1],
2096 2253249 : hDirACRend->buffer_intensity_real[2][index - 1],
2097 : num_freq_bands,
2098 : azimuth,
2099 : elevation );
2100 :
2101 2253249 : mvr2r( reference_power, &( hDirACRend->buffer_energy[( index - 1 ) * num_freq_bands] ), num_freq_bands );
2102 :
2103 2253249 : computeDiffuseness( hDirACRend->buffer_intensity_real, hDirACRend->buffer_energy, num_freq_bands, hSpatParamRendCom->diffuseness_vector[md_idx] );
2104 : }
2105 :
2106 : #ifdef DEBUG_MODE_DIRAC
2107 : {
2108 : static FILE *fp_direction_vector = NULL, *fp_diffuseness = NULL, *fp_referencePower = NULL;
2109 :
2110 :
2111 : if ( fp_direction_vector == NULL )
2112 : fp_direction_vector = fopen( "./res/dbg_direction_vector_C_dec.bin", "wb" );
2113 : if ( fp_diffuseness == NULL )
2114 : fp_diffuseness = fopen( "./res/dbg_diffuseness_C_dec.bin", "wb" );
2115 : if ( fp_referencePower == NULL )
2116 : fp_referencePower = fopen( "./res/dbg_reference_power_C_dec.bin", "wb" );
2117 :
2118 :
2119 : for ( i = 0; i < hSpatParamRendCom->num_freq_bands; i++ )
2120 : {
2121 : float radius_length;
2122 : float dv[3];
2123 :
2124 : if ( hDirAC->hConfig->dec_param_estim == FALSE )
2125 : {
2126 : radius_length = cos( hDirAC->elevation[subframe_idx][i] * PI_OVER_180 );
2127 : dv[0] = radius_length * cos( hDirAC->azimuth[subframe_idx][i] * PI_OVER_180 );
2128 : dv[1] = radius_length * sin( hDirAC->azimuth[subframe_idx][i] * PI_OVER_180 );
2129 : dv[2] = sin( hDirAC->elevation[subframe_idx][i] * PI_OVER_180 );
2130 :
2131 : fwrite( dv, sizeof( float ), 3, fp_direction_vector );
2132 : fwrite( &( hDirAC->diffuseness_vector[0][i] ), sizeof( float ), 1, fp_diffuseness );
2133 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2134 : {
2135 : reference_power[i] = Cldfb_RealBuffer[0][0][i] * Cldfb_RealBuffer[0][0][i] + Cldfb_ImagBuffer[0][0][i] * Cldfb_ImagBuffer[0][0][i];
2136 : }
2137 : fwrite( &( reference_power[i] ), sizeof( float ), 1, fp_referencePower );
2138 : }
2139 : else
2140 : {
2141 : radius_length = cos( hDirAC->elevation[index_slot][i] * PI_OVER_180 );
2142 : dv[0] = radius_length * cos( hDirAC->azimuth[index_slot][i] * PI_OVER_180 );
2143 : dv[1] = radius_length * sin( hDirAC->azimuth[index_slot][i] * PI_OVER_180 );
2144 : dv[2] = sin( hDirAC->elevation[index_slot][i] * PI_OVER_180 );
2145 :
2146 : fwrite( dv, sizeof( float ), 3, fp_direction_vector );
2147 : fwrite( &( hDirAC->diffuseness_vector[index_slot][i] ), sizeof( float ), 1, fp_diffuseness );
2148 : fwrite( &( reference_power[i] ), sizeof( float ), 1, fp_referencePower );
2149 : }
2150 : }
2151 : }
2152 : #endif
2153 :
2154 : /*-----------------------------------------------------------------*
2155 : * frequency domain decorrelation
2156 : *-----------------------------------------------------------------*/
2157 :
2158 3746643 : if ( hDirACRend->proto_signal_decorr_on == 1 )
2159 : {
2160 : /* decorrelate prototype frame */
2161 3488766 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2162 : {
2163 2835141 : ivas_dirac_dec_decorr_process( hSpatParamRendCom->num_freq_bands,
2164 2835141 : hDirACRend->num_outputs_diff,
2165 2835141 : hDirACRend->num_protos_diff,
2166 : hDirACRend->synthesisConf,
2167 : nchan_transport,
2168 2835141 : hDirACRend->h_output_synthesis_psd_state.proto_diffuse_buffer_f + slot_idx * 2 * hSpatParamRendCom->num_freq_bands * hDirACRend->num_outputs_diff,
2169 2835141 : hDirACRend->num_protos_diff,
2170 2835141 : hDirACRend->proto_index_diff,
2171 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 ),
2172 : onset_filter,
2173 : hDirACRend->h_freq_domain_decorr_ap_params,
2174 : hDirACRend->h_freq_domain_decorr_ap_state );
2175 :
2176 2835141 : v_multc( onset_filter, 0.25f, onset_filter, hSpatParamRendCom->num_freq_bands );
2177 2835141 : v_add( onset_filter, onset_filter_subframe, onset_filter_subframe, hSpatParamRendCom->num_freq_bands );
2178 2835141 : p_onset_filter = onset_filter_subframe;
2179 : }
2180 : else
2181 : {
2182 653625 : ivas_dirac_dec_decorr_process( hSpatParamRendCom->num_freq_bands,
2183 653625 : hDirACRend->num_outputs_diff,
2184 653625 : hDirACRend->num_protos_diff,
2185 : hDirACRend->synthesisConf,
2186 : nchan_transport,
2187 653625 : hDirACRend->proto_frame_f,
2188 653625 : hDirACRend->num_protos_diff,
2189 653625 : hDirACRend->proto_index_diff,
2190 : DirAC_mem.frame_dec_f,
2191 : onset_filter,
2192 : hDirACRend->h_freq_domain_decorr_ap_params,
2193 : hDirACRend->h_freq_domain_decorr_ap_state );
2194 :
2195 653625 : hDirACRend->proto_frame_dec_f = DirAC_mem.frame_dec_f;
2196 653625 : p_onset_filter = onset_filter;
2197 : }
2198 : }
2199 : else
2200 : {
2201 257877 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2202 : {
2203 0 : set_f( onset_filter_subframe, 1.f, hSpatParamRendCom->num_freq_bands );
2204 0 : p_onset_filter = onset_filter_subframe;
2205 : }
2206 : else
2207 : {
2208 : /* no frequency domain decorrelation: use prototype frame */
2209 257877 : hDirACRend->proto_frame_dec_f = hDirACRend->proto_frame_f;
2210 257877 : p_onset_filter = NULL;
2211 : }
2212 : }
2213 :
2214 : /*-----------------------------------------------------------------*
2215 : * output synthesis
2216 : *-----------------------------------------------------------------*/
2217 :
2218 3746643 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_LS || hDirACRend->synthesisConf == DIRAC_SYNTHESIS_PSD_SHD )
2219 : {
2220 : /*Compute diffuse prototypes*/
2221 821577 : ivas_dirac_dec_compute_diffuse_proto( hDirACRend, hSpatParamRendCom->num_freq_bands, slot_idx );
2222 : }
2223 :
2224 : /*Compute PSDs*/
2225 3746643 : ivas_dirac_dec_output_synthesis_process_slot( reference_power,
2226 : p_onset_filter,
2227 : azimuth,
2228 : elevation,
2229 3746643 : hSpatParamRendCom->diffuseness_vector[md_idx],
2230 : hSpatParamRendCom,
2231 : hDirACRend,
2232 : st_ivas->hVBAPdata,
2233 : hDirACRend->hOutSetup,
2234 : nchan_transport,
2235 : md_idx,
2236 : hodirac_flag,
2237 3746643 : hDirAC->hConfig->dec_param_estim );
2238 :
2239 3746643 : if ( hDirAC->hConfig->dec_param_estim )
2240 : {
2241 2253249 : float fac = 1.0f / (float) hSpatParamRendCom->subframe_nbslots[subframe_idx];
2242 2253249 : v_multc_acc( hSpatParamRendCom->diffuseness_vector[md_idx], fac, diffuseness_vector, hSpatParamRendCom->num_freq_bands );
2243 : }
2244 :
2245 3746643 : if ( hDirACRend->synthesisConf != DIRAC_SYNTHESIS_GAIN_SHD )
2246 : {
2247 911502 : v_add( reference_power, reference_power_smooth, reference_power_smooth, hSpatParamRendCom->num_freq_bands );
2248 : }
2249 : }
2250 :
2251 943161 : ivas_dirac_dec_output_synthesis_get_interpolator( &hDirACRend->h_output_synthesis_psd_params, hSpatParamRendCom->subframe_nbslots[subframe_idx] );
2252 :
2253 :
2254 943161 : if ( hDirACRend->synthesisConf == DIRAC_SYNTHESIS_GAIN_SHD )
2255 : {
2256 711939 : ivas_dirac_dec_output_synthesis_process_subframe_gain_shd( Cldfb_RealBuffer,
2257 : Cldfb_ImagBuffer,
2258 : hSpatParamRendCom,
2259 : hDirACRend,
2260 : nchan_transport,
2261 711939 : hSpatParamRendCom->subframe_nbslots[subframe_idx],
2262 : p_onset_filter,
2263 : diffuseness_vector,
2264 : hodirac_flag,
2265 711939 : hDirAC->hConfig->dec_param_estim );
2266 : }
2267 : else
2268 : {
2269 : /* Determine encoding quality based additional smoothing factor */
2270 231222 : float qualityBasedSmFactor = 1.0f;
2271 :
2272 231222 : if ( st_ivas->hMasa != NULL )
2273 : {
2274 189234 : qualityBasedSmFactor = st_ivas->hMasa->data.dir_decode_quality;
2275 189234 : qualityBasedSmFactor *= qualityBasedSmFactor;
2276 : }
2277 :
2278 231222 : ivas_dirac_dec_output_synthesis_process_subframe_psd_ls( Cldfb_RealBuffer,
2279 : Cldfb_ImagBuffer,
2280 : hSpatParamRendCom,
2281 : hDirACRend,
2282 231222 : hSpatParamRendCom->subframe_nbslots[subframe_idx],
2283 : diffuseness_vector,
2284 : reference_power_smooth,
2285 : qualityBasedSmFactor,
2286 231222 : hDirAC->hConfig->enc_param_start_band );
2287 : }
2288 :
2289 : /*-----------------------------------------------------------------*
2290 : * CLDFB synthesis (and binaural rendering)
2291 : *-----------------------------------------------------------------*/
2292 :
2293 943161 : index_slot = slot_idx_start_cldfb_synth;
2294 :
2295 943161 : if ( st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV || st_ivas->renderer_type == RENDERER_BINAURAL_FASTCONV_ROOM )
2296 : {
2297 : /* render objects in combined format onto the CICP19 channels for BINAURAL_ROOM_IR */
2298 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 )
2299 : {
2300 : int16_t j, k, l;
2301 : int16_t num_objects, nchan_out_woLFE;
2302 : int16_t az1, el1;
2303 : int16_t n_slots_to_render;
2304 : int16_t n_samples_to_render;
2305 : float gain, prev_gain;
2306 :
2307 36000 : num_objects = st_ivas->nchan_ism;
2308 36000 : nchan_out_woLFE = st_ivas->hIntSetup.nchan_out_woLFE;
2309 36000 : n_slots_to_render = st_ivas->hSpar->subframe_nbslots[st_ivas->hSpar->subframes_rendered];
2310 36000 : n_samples_to_render = hSpatParamRendCom->num_freq_bands * n_slots_to_render;
2311 :
2312 36000 : if ( st_ivas->hCombinedOrientationData && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] )
2313 : {
2314 0 : ivas_jbm_dec_get_adapted_linear_interpolator( n_samples_to_render, n_samples_to_render, st_ivas->hIsmRendererData->interpolator );
2315 0 : st_ivas->hIsmRendererData->interp_offset = 0;
2316 : }
2317 :
2318 168000 : for ( i = 0; i < num_objects; i++ )
2319 : {
2320 : /* Combined rotation: rotate the object positions depending the head and external orientations */
2321 132000 : if ( st_ivas->hCombinedOrientationData != NULL && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] == 1 )
2322 : {
2323 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 );
2324 0 : if ( st_ivas->hEFAPdata != NULL )
2325 : {
2326 0 : efap_determine_gains( st_ivas->hEFAPdata, st_ivas->hIsmRendererData->gains[i], az1, el1, EFAP_MODE_EFAP );
2327 0 : v_multc( st_ivas->hIsmRendererData->gains[i], st_ivas->hIsmMetaData[i]->edited_gain, st_ivas->hIsmRendererData->gains[i], nchan_out_woLFE );
2328 : }
2329 : }
2330 :
2331 1584000 : for ( j = 0; j < nchan_out_woLFE; j++ )
2332 : {
2333 :
2334 1452000 : gain = st_ivas->hIsmRendererData->gains[i][j];
2335 1452000 : prev_gain = st_ivas->hIsmRendererData->prev_gains[i][j];
2336 1452000 : if ( fabsf( gain ) > 0.0f || fabsf( prev_gain ) > 0.0f )
2337 : {
2338 : float *tc_re, *tc_im;
2339 : float *w1, w2;
2340 :
2341 759228 : w1 = &st_ivas->hIsmRendererData->interpolator[st_ivas->hIsmRendererData->interp_offset];
2342 :
2343 759228 : tc_re = pppQMfFrame_ts_re[nchan_transport + i][0];
2344 759228 : tc_im = pppQMfFrame_ts_im[nchan_transport + i][0];
2345 :
2346 3796140 : for ( k = 0; k < n_slots_to_render; k++ )
2347 : {
2348 : float g;
2349 :
2350 3036912 : w2 = 1.0f - *w1;
2351 3036912 : g = ( *w1 * gain + w2 * prev_gain );
2352 :
2353 163308912 : for ( l = 0; l < hSpatParamRendCom->num_freq_bands; l++ )
2354 : {
2355 160272000 : Cldfb_RealBuffer[j][k][l] += g * *( tc_re++ );
2356 160272000 : Cldfb_ImagBuffer[j][k][l] += g * *( tc_im++ );
2357 : }
2358 3036912 : w1 += hSpatParamRendCom->num_freq_bands;
2359 : }
2360 : }
2361 :
2362 : /* update here only in case of head rotation */
2363 1452000 : if ( st_ivas->hCombinedOrientationData != NULL && st_ivas->hCombinedOrientationData->enableCombinedOrientation[0] == 1 )
2364 : {
2365 0 : st_ivas->hIsmRendererData->prev_gains[i][j] = gain;
2366 : }
2367 : }
2368 : }
2369 36000 : st_ivas->hIsmRendererData->interp_offset += hSpatParamRendCom->num_freq_bands * st_ivas->hSpar->subframe_nbslots[st_ivas->hSpar->subframes_rendered];
2370 : }
2371 :
2372 377181 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
2373 : {
2374 0 : if ( st_ivas->hSplitBinRend->hCldfbDataOut != NULL )
2375 : {
2376 0 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
2377 : {
2378 0 : for ( ch = 0; ch < st_ivas->hBinRenderer->nInChannels; ch++ )
2379 : {
2380 0 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_RealBuffer[ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2381 0 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], st_ivas->hSplitBinRend->hCldfbDataOut->Cldfb_ImagBuffer[ch][slot_idx_start + slot_idx], hSpatParamRendCom->num_freq_bands );
2382 : }
2383 : }
2384 0 : st_ivas->hSplitBinRend->hCldfbDataOut->config = st_ivas->hIntSetup.output_config;
2385 : }
2386 : }
2387 :
2388 : /* Perform binaural rendering */
2389 377181 : if ( st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_CODED || st_ivas->hDecoderConfig->output_config == IVAS_AUDIO_CONFIG_BINAURAL_SPLIT_PCM )
2390 : {
2391 0 : binRenderer_split( st_ivas->hBinRenderer, st_ivas->hSplitBinRend, st_ivas->hCombinedOrientationData, hSpatParamRendCom->subframe_nbslots[subframe_idx],
2392 0 : Cldfb_RealBuffer_Binaural, Cldfb_ImagBuffer_Binaural, Cldfb_RealBuffer, Cldfb_ImagBuffer, slot_idx_start, hSpatParamRendCom->num_freq_bands, st_ivas->hDecoderConfig->nchan_out );
2393 : }
2394 : else
2395 : {
2396 377181 : binRenderer( st_ivas->hBinRenderer, st_ivas->hCombinedOrientationData, hSpatParamRendCom->subframe_nbslots[subframe_idx],
2397 : Cldfb_RealBuffer_Binaural, Cldfb_ImagBuffer_Binaural, Cldfb_RealBuffer, Cldfb_ImagBuffer );
2398 : }
2399 :
2400 : /* Inverse CLDFB*/
2401 1131543 : for ( ch = 0; ch < st_ivas->hDecoderConfig->nchan_out; ch++ )
2402 : {
2403 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2404 : float *RealBuffer[CLDFB_SLOTS_PER_SUBFRAME];
2405 : float *ImagBuffer[CLDFB_SLOTS_PER_SUBFRAME];
2406 :
2407 3768930 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2408 : {
2409 3014568 : RealBuffer[i] = Cldfb_RealBuffer_Binaural[0][ch][i];
2410 3014568 : ImagBuffer[i] = Cldfb_ImagBuffer_Binaural[0][ch][i];
2411 : }
2412 :
2413 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] );
2414 : }
2415 : }
2416 565980 : else if ( st_ivas->ivas_format == SBA_FORMAT || st_ivas->ivas_format == SBA_ISM_FORMAT )
2417 : {
2418 4577877 : for ( ch = 0; ch < hDirACRend->hOutSetup.nchan_out_woLFE; ch++ )
2419 : {
2420 20956560 : for ( slot_idx = 0; slot_idx < hSpatParamRendCom->subframe_nbslots[subframe_idx]; slot_idx++ )
2421 : {
2422 16729488 : mvr2r( Cldfb_RealBuffer[ch][slot_idx], pppQMfFrame_ts_re[ch][slot_idx], hSpatParamRendCom->num_freq_bands );
2423 16729488 : mvr2r( Cldfb_ImagBuffer[ch][slot_idx], pppQMfFrame_ts_im[ch][slot_idx], hSpatParamRendCom->num_freq_bands );
2424 : }
2425 : }
2426 : }
2427 : else
2428 : {
2429 : float *RealBuffer[CLDFB_SLOTS_PER_SUBFRAME];
2430 : float *ImagBuffer[CLDFB_SLOTS_PER_SUBFRAME];
2431 : int16_t outchannels;
2432 :
2433 215175 : idx_in = 0;
2434 215175 : idx_lfe = 0;
2435 :
2436 215175 : outchannels = hDirACRend->hOutSetup.nchan_out_woLFE + hDirACRend->hOutSetup.num_lfe;
2437 215175 : if ( hDirACRend->hOutSetup.separateChannelEnabled && ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1 ||
2438 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1 ||
2439 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_2 ||
2440 840 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_5_1_4 ||
2441 600 : hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_7_1_4 ||
2442 0 : ( hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM && st_ivas->hLsSetupCustom->separate_ch_found ) ) )
2443 : {
2444 2628 : outchannels++;
2445 : }
2446 :
2447 215175 : if ( hDirACRend->hOutSetup.separateChannelEnabled && hDirACRend->hOutSetup.output_config == IVAS_AUDIO_CONFIG_LS_CUSTOM )
2448 0 : {
2449 : float tmp_separated[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
2450 : float tmp_lfe[L_FRAME48k / MAX_PARAM_SPATIAL_SUBFRAMES];
2451 0 : const int16_t subframe_start_sample = index_slot * hSpatParamRendCom->num_freq_bands;
2452 0 : const int16_t num_samples_subframe = hSpatParamRendCom->num_freq_bands * hSpatParamRendCom->subframe_nbslots[subframe_idx];
2453 :
2454 : /* Move the separated and the LFE channels to temporary variables as spatial synthesis may overwrite current channels */
2455 0 : mvr2r( &( output_f[st_ivas->hOutSetup.separateChannelIndex][subframe_start_sample] ), tmp_separated, num_samples_subframe );
2456 0 : if ( hDirACRend->hOutSetup.num_lfe > 0 )
2457 : {
2458 0 : mvr2r( &( output_f[LFE_CHANNEL][subframe_start_sample] ), tmp_lfe, num_samples_subframe );
2459 : }
2460 :
2461 0 : for ( ch = 0; ch < outchannels; ch++ )
2462 : {
2463 0 : if ( ( hDirACRend->hOutSetup.num_lfe > 0 ) && ( hDirACRend->hOutSetup.index_lfe[idx_lfe] == ch ) )
2464 : {
2465 : /* Move the LFE channel to the correct place */
2466 0 : mvr2r( tmp_lfe, &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2467 :
2468 0 : if ( idx_lfe < ( hDirACRend->hOutSetup.num_lfe - 1 ) )
2469 : {
2470 0 : idx_lfe++;
2471 : }
2472 : }
2473 0 : else if ( ( st_ivas->hLsSetupCustom->separate_ch_found ) && ( hDirACRend->hOutSetup.separateChannelIndex == ch ) )
2474 : {
2475 : /* Move the separated channel to the correct place. Thus, the separated channel is
2476 : * combined with the synthesized channels here when there is a matching channel. */
2477 0 : mvr2r( tmp_separated, &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2478 : }
2479 : else
2480 : {
2481 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2482 0 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2483 : {
2484 0 : RealBuffer[i] = Cldfb_RealBuffer[idx_in][i];
2485 0 : ImagBuffer[i] = Cldfb_ImagBuffer[idx_in][i];
2486 : }
2487 0 : cldfbSynthesis( RealBuffer, ImagBuffer, &( output_f[ch][subframe_start_sample] ), num_samples_subframe, st_ivas->cldfbSynDec[idx_in] );
2488 :
2489 0 : if ( !st_ivas->hLsSetupCustom->separate_ch_found )
2490 : {
2491 : /* Pan the separated channel and mix with the synthesized channels. Thus, the separated channel
2492 : * is combined with the synthesized channels here when there is no matching channel. */
2493 0 : v_multc_acc( tmp_separated, st_ivas->hLsSetupCustom->separate_ch_gains[idx_in], &( output_f[ch][subframe_start_sample] ), num_samples_subframe );
2494 : }
2495 :
2496 0 : idx_in++;
2497 : }
2498 : }
2499 : }
2500 : else
2501 : {
2502 1641534 : for ( ch = 0; ch < outchannels; ch++ )
2503 : {
2504 1426359 : if ( ( hDirACRend->hOutSetup.num_lfe > 0 ) && ( hDirACRend->hOutSetup.index_lfe[idx_lfe] == ch ) )
2505 : {
2506 124530 : if ( st_ivas->mc_mode == MC_MODE_MCMASA && !hDirACRend->hOutSetup.separateChannelEnabled )
2507 : {
2508 99600 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2509 : {
2510 79680 : RealBuffer[i] = Cldfb_RealBuffer[MAX_OUTPUT_CHANNELS - 1][i];
2511 79680 : ImagBuffer[i] = Cldfb_ImagBuffer[MAX_OUTPUT_CHANNELS - 1][i];
2512 : }
2513 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] );
2514 : }
2515 104610 : else if ( st_ivas->mc_mode == MC_MODE_MCMASA && hDirACRend->hOutSetup.separateChannelEnabled )
2516 : {
2517 : /* LFE has been synthesized in the time domain, do nothing. */
2518 : }
2519 : else
2520 : {
2521 101982 : set_zero( &( output_f[ch][index_slot * hSpatParamRendCom->num_freq_bands] ), hSpatParamRendCom->subframe_nbslots[subframe_idx] * hSpatParamRendCom->num_freq_bands );
2522 : }
2523 :
2524 124530 : if ( idx_lfe < ( hDirACRend->hOutSetup.num_lfe - 1 ) )
2525 : {
2526 0 : idx_lfe++;
2527 : }
2528 : }
2529 1301829 : else if ( ( hDirACRend->hOutSetup.separateChannelEnabled ) && ( hDirACRend->hOutSetup.separateChannelIndex == ch ) )
2530 : {
2531 : /* The separated channel is already set to output_f[hOutSetup.separateChannelIndex]. Thus, the separated
2532 : * channel is combined with the synthesized channels here. */
2533 : }
2534 : else
2535 : {
2536 : /* open CLDFB buffer up to CLDFB_NO_CHANNELS_MAX bands for 48kHz */
2537 6465915 : for ( i = 0; i < hSpatParamRendCom->subframe_nbslots[subframe_idx]; i++ )
2538 : {
2539 5166714 : RealBuffer[i] = Cldfb_RealBuffer[idx_in][i];
2540 5166714 : ImagBuffer[i] = Cldfb_ImagBuffer[idx_in][i];
2541 : }
2542 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] );
2543 1299201 : idx_in++;
2544 : }
2545 : }
2546 : }
2547 : }
2548 943161 : hSpatParamRendCom->slots_rendered += hSpatParamRendCom->subframe_nbslots[subframe_idx];
2549 943161 : hSpatParamRendCom->subframes_rendered++;
2550 :
2551 943161 : pop_wmops();
2552 :
2553 943161 : return;
2554 : }
|
