1 /******************************************************************************
2 *
3 * Copyright (C) 2018 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 #include <stdio.h>
21 #include <string.h>
22 #include <math.h>
23 #include "impd_type_def.h"
24 #include "impd_drc_extr_delta_coded_info.h"
25 #include "impd_drc_common.h"
26 #include "impd_drc_struct.h"
27 #include "impd_drc_interface.h"
28 #include "impd_drc_selection_process.h"
29 #include "impd_drc_sel_proc_drc_set_sel.h"
30 #include "impd_drc_loudness_control.h"
31 #include "impd_drc_filter_bank.h"
32 #include "impd_drc_rom.h"
33
34 static const WORD32 effect_types_request_table[] = {
35 EFFECT_BIT_NIGHT, EFFECT_BIT_NOISY, EFFECT_BIT_LIMITED,
36 EFFECT_BIT_LOWLEVEL, EFFECT_BIT_DIALOG, EFFECT_BIT_GENERAL_COMPR,
37 EFFECT_BIT_EXPAND, EFFECT_BIT_ARTISTIC};
38
impd_validate_requested_drc_feature(ia_drc_sel_proc_params_struct * pstr_drc_sel_proc_params_struct)39 WORD32 impd_validate_requested_drc_feature(
40 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct) {
41 WORD32 i, j;
42
43 for (i = 0; i < pstr_drc_sel_proc_params_struct->num_drc_feature_requests;
44 i++) {
45 switch (pstr_drc_sel_proc_params_struct->drc_feature_req_type[i]) {
46 case MATCH_EFFECT_TYPE:
47 for (j = 0; j < pstr_drc_sel_proc_params_struct
48 ->desired_num_drc_effects_of_requested[i];
49 j++) {
50 if (pstr_drc_sel_proc_params_struct
51 ->requested_drc_effect_type[i][j] ==
52 EFFECT_TYPE_REQUESTED_NONE) {
53 if (pstr_drc_sel_proc_params_struct
54 ->desired_num_drc_effects_of_requested[i] > 1) {
55 return (UNEXPECTED_ERROR);
56 }
57 }
58 }
59 break;
60 case MATCH_DYNAMIC_RANGE:
61 break;
62 case MATCH_DRC_CHARACTERISTIC:
63 break;
64 default:
65 return (UNEXPECTED_ERROR);
66 break;
67 }
68 }
69 return (0);
70 }
71
impd_find_drc_instructions_uni_drc(ia_drc_config * drc_config,WORD32 drc_set_id_requested,ia_drc_instructions_struct ** str_drc_instruction_str)72 WORD32 impd_find_drc_instructions_uni_drc(
73 ia_drc_config* drc_config, WORD32 drc_set_id_requested,
74 ia_drc_instructions_struct** str_drc_instruction_str) {
75 WORD32 i;
76 for (i = 0; i < drc_config->drc_instructions_uni_drc_count; i++) {
77 if (drc_set_id_requested ==
78 drc_config->str_drc_instruction_str[i].drc_set_id)
79 break;
80 }
81 if (i == drc_config->drc_instructions_uni_drc_count) {
82 return (UNEXPECTED_ERROR);
83 }
84 *str_drc_instruction_str = &drc_config->str_drc_instruction_str[i];
85 return (0);
86 }
87
impd_map_requested_effect_bit_idx(WORD32 requested_effect_type,WORD32 * effect_bit_idx)88 WORD32 impd_map_requested_effect_bit_idx(WORD32 requested_effect_type,
89 WORD32* effect_bit_idx) {
90 switch (requested_effect_type) {
91 case EFFECT_TYPE_REQUESTED_NONE:
92 *effect_bit_idx = EFFECT_BIT_NONE;
93 break;
94 case EFFECT_TYPE_REQUESTED_NIGHT:
95 *effect_bit_idx = EFFECT_BIT_NIGHT;
96 break;
97 case EFFECT_TYPE_REQUESTED_NOISY:
98 *effect_bit_idx = EFFECT_BIT_NOISY;
99 break;
100 case EFFECT_TYPE_REQUESTED_LIMITED:
101 *effect_bit_idx = EFFECT_BIT_LIMITED;
102 break;
103 case EFFECT_TYPE_REQUESTED_LOWLEVEL:
104 *effect_bit_idx = EFFECT_BIT_LOWLEVEL;
105 break;
106 case EFFECT_TYPE_REQUESTED_DIALOG:
107 *effect_bit_idx = EFFECT_BIT_DIALOG;
108 break;
109 case EFFECT_TYPE_REQUESTED_GENERAL_COMPR:
110 *effect_bit_idx = EFFECT_BIT_GENERAL_COMPR;
111 break;
112 case EFFECT_TYPE_REQUESTED_EXPAND:
113 *effect_bit_idx = EFFECT_BIT_EXPAND;
114 break;
115 case EFFECT_TYPE_REQUESTED_ARTISTIC:
116 *effect_bit_idx = EFFECT_BIT_ARTISTIC;
117 break;
118
119 default:
120 return (UNEXPECTED_ERROR);
121
122 break;
123 }
124 return (0);
125 }
126
impd_get_fading_drc_set(ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc)127 WORD32 impd_get_fading_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) {
128 pstr_drc_uni_sel_proc->drc_instructions_index[2] = -1;
129 if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.album_mode == 0) {
130 WORD32 n;
131 ia_drc_instructions_struct* str_drc_instruction_str = NULL;
132 for (n = 0;
133 n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count;
134 n++) {
135 str_drc_instruction_str =
136 &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]);
137
138 if (str_drc_instruction_str->drc_set_effect & EFFECT_BIT_FADE) {
139 if (str_drc_instruction_str->downmix_id[0] == ID_FOR_ANY_DOWNMIX) {
140 pstr_drc_uni_sel_proc->drc_instructions_index[2] = n;
141
142 } else {
143 return (UNEXPECTED_ERROR);
144 }
145 }
146 }
147 }
148 return (0);
149 }
150
impd_get_ducking_drc_set(ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc)151 WORD32 impd_get_ducking_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) {
152 WORD32 drc_instructions_index;
153 WORD32 n, k;
154 ia_drc_instructions_struct* str_drc_instruction_str;
155
156 WORD32 requested_dwnmix_id =
157 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.active_downmix_id;
158
159 pstr_drc_uni_sel_proc->drc_instructions_index[3] = -1;
160 drc_instructions_index = -1;
161 str_drc_instruction_str = NULL;
162
163 for (n = 0;
164 n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count;
165 n++) {
166 str_drc_instruction_str =
167 &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]);
168
169 if (str_drc_instruction_str->drc_set_effect &
170 (EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) {
171 for (k = 0; k < str_drc_instruction_str->dwnmix_id_count; k++) {
172 if (str_drc_instruction_str->downmix_id[k] == requested_dwnmix_id) {
173 drc_instructions_index = n;
174 }
175 }
176 }
177 }
178 if (drc_instructions_index == -1) {
179 for (n = 0;
180 n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_uni_drc_count;
181 n++) {
182 str_drc_instruction_str =
183 &(pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]);
184
185 if (str_drc_instruction_str->drc_set_effect &
186 (EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) {
187 for (k = 0; k < str_drc_instruction_str->dwnmix_id_count; k++) {
188 if (str_drc_instruction_str->downmix_id[k] == ID_FOR_BASE_LAYOUT) {
189 drc_instructions_index = n;
190 }
191 }
192 }
193 }
194 }
195 if (drc_instructions_index > -1) {
196 pstr_drc_uni_sel_proc->drc_instructions_index[2] = -1;
197 pstr_drc_uni_sel_proc->drc_instructions_index[3] = drc_instructions_index;
198 }
199 return (0);
200 }
201
impd_get_selected_drc_set(ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc,WORD32 drc_set_id_selected)202 WORD32 impd_get_selected_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc,
203 WORD32 drc_set_id_selected) {
204 WORD32 n;
205
206 ia_drc_instructions_struct* str_drc_instruction_str = NULL;
207
208 for (n = 0; n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus;
209 n++) {
210 if (pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]
211 .drc_set_id == drc_set_id_selected)
212 break;
213 }
214 if (n == pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus) {
215 return (EXTERNAL_ERROR);
216 }
217 pstr_drc_uni_sel_proc->drc_inst_index_sel = n;
218 str_drc_instruction_str = &(
219 pstr_drc_uni_sel_proc->drc_config
220 .str_drc_instruction_str[pstr_drc_uni_sel_proc->drc_inst_index_sel]);
221
222 pstr_drc_uni_sel_proc->drc_instructions_index[0] =
223 pstr_drc_uni_sel_proc->drc_inst_index_sel;
224 return (0);
225 }
226
impd_get_dependent_drc_set(ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc)227 WORD32 impd_get_dependent_drc_set(
228 ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) {
229 ia_drc_instructions_struct* str_drc_instruction_str = NULL;
230 str_drc_instruction_str = &(
231 pstr_drc_uni_sel_proc->drc_config
232 .str_drc_instruction_str[pstr_drc_uni_sel_proc->drc_inst_index_sel]);
233
234 if (str_drc_instruction_str->depends_on_drc_set_present == 1) {
235 WORD32 n;
236 WORD32 drc_dependent_set_id = str_drc_instruction_str->depends_on_drc_set;
237
238 for (n = 0;
239 n < pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus;
240 n++) {
241 if (pstr_drc_uni_sel_proc->drc_config.str_drc_instruction_str[n]
242 .drc_set_id == drc_dependent_set_id)
243 break;
244 }
245 if (n == pstr_drc_uni_sel_proc->drc_config.drc_instructions_count_plus) {
246 return (UNEXPECTED_ERROR);
247 }
248 pstr_drc_uni_sel_proc->drc_instructions_index[1] = n;
249 } else {
250 pstr_drc_uni_sel_proc->drc_instructions_index[1] = -1;
251 }
252 return (0);
253 }
254
impd_get_dependent_drc_instructions(const ia_drc_config * drc_config,const ia_drc_instructions_struct * str_drc_instruction_str,ia_drc_instructions_struct ** drc_instructions_dependent)255 WORD32 impd_get_dependent_drc_instructions(
256 const ia_drc_config* drc_config,
257 const ia_drc_instructions_struct* str_drc_instruction_str,
258 ia_drc_instructions_struct** drc_instructions_dependent) {
259 WORD32 j;
260 ia_drc_instructions_struct* dependent_drc = NULL;
261 for (j = 0; j < drc_config->drc_instructions_uni_drc_count; j++) {
262 dependent_drc =
263 (ia_drc_instructions_struct*)&(drc_config->str_drc_instruction_str[j]);
264 if (dependent_drc->drc_set_id ==
265 str_drc_instruction_str->depends_on_drc_set) {
266 break;
267 }
268 }
269 if (j == drc_config->drc_instructions_uni_drc_count) {
270 return (UNEXPECTED_ERROR);
271 }
272 if (dependent_drc->depends_on_drc_set_present == 1) {
273 return (UNEXPECTED_ERROR);
274 }
275 *drc_instructions_dependent = dependent_drc;
276 return (0);
277 }
278
impd_select_drcs_without_compr_effects(ia_drc_config * pstr_drc_config,WORD32 * match_found_flag,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)279 WORD32 impd_select_drcs_without_compr_effects(
280 ia_drc_config* pstr_drc_config, WORD32* match_found_flag,
281 WORD32* selection_candidate_count,
282 ia_selection_candidate_info_struct* selection_candidate_info) {
283 WORD32 i, k, n;
284 WORD32 selection_candidate_step_2_count = 0;
285 ia_selection_candidate_info_struct
286 selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX];
287 WORD32 effect_types_request_table_size;
288 WORD32 match;
289 ia_drc_instructions_struct* str_drc_instruction_str;
290
291 effect_types_request_table_size =
292 sizeof(effect_types_request_table) / sizeof(WORD32);
293
294 k = 0;
295 for (i = 0; i < *selection_candidate_count; i++) {
296 str_drc_instruction_str = &(
297 pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i]
298 .drc_instructions_index]);
299
300 match = 1;
301 for (n = 0; n < effect_types_request_table_size; n++) {
302 if ((str_drc_instruction_str->drc_set_effect &
303 effect_types_request_table[n]) != 0x0) {
304 match = 0;
305 }
306 }
307 if (match == 1) {
308 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
309 memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i],
310 sizeof(ia_selection_candidate_info_struct));
311 k++;
312 }
313 }
314 selection_candidate_step_2_count = k;
315
316 if (selection_candidate_step_2_count > 0) {
317 *match_found_flag = 1;
318 for (i = 0; i < selection_candidate_step_2_count; i++) {
319 memcpy(&selection_candidate_info[i], &selection_candidate_info_step_2[i],
320 sizeof(ia_selection_candidate_info_struct));
321 *selection_candidate_count = selection_candidate_step_2_count;
322 }
323 } else {
324 *match_found_flag = 0;
325 }
326
327 return (0);
328 }
329
impd_match_effect_type_attempt(ia_drc_config * pstr_drc_config,WORD32 requested_effect_type,WORD32 state_requested,WORD32 * match_found_flag,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)330 WORD32 impd_match_effect_type_attempt(
331 ia_drc_config* pstr_drc_config, WORD32 requested_effect_type,
332 WORD32 state_requested, WORD32* match_found_flag,
333 WORD32* selection_candidate_count,
334 ia_selection_candidate_info_struct* selection_candidate_info) {
335 WORD32 i, k, err;
336 WORD32 selection_candidate_step_2_count = 0;
337 ia_selection_candidate_info_struct
338 selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX];
339 ia_drc_instructions_struct* str_drc_instruction_str;
340 ia_drc_instructions_struct* drc_instructions_dependent;
341 WORD32 effect_bit_idx;
342
343 err =
344 impd_map_requested_effect_bit_idx(requested_effect_type, &effect_bit_idx);
345 if (err) return (err);
346
347 if (effect_bit_idx == EFFECT_BIT_NONE) {
348 err = impd_select_drcs_without_compr_effects(
349 pstr_drc_config, match_found_flag, selection_candidate_count,
350 selection_candidate_info);
351 if (err) return (err);
352 } else {
353 k = 0;
354 for (i = 0; i < *selection_candidate_count; i++) {
355 str_drc_instruction_str =
356 &(pstr_drc_config->str_drc_instruction_str
357 [selection_candidate_info[i].drc_instructions_index]);
358 if (str_drc_instruction_str->depends_on_drc_set_present == 1) {
359 err = impd_get_dependent_drc_instructions(pstr_drc_config,
360 str_drc_instruction_str,
361 &drc_instructions_dependent);
362 if (err) return (err);
363
364 if (state_requested == 1) {
365 if (((str_drc_instruction_str->drc_set_effect & effect_bit_idx) !=
366 0x0) ||
367 ((drc_instructions_dependent->drc_set_effect & effect_bit_idx) !=
368 0x0)) {
369 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
370 memcpy(&selection_candidate_info_step_2[k],
371 &selection_candidate_info[i],
372 sizeof(ia_selection_candidate_info_struct));
373 k++;
374 }
375 } else {
376 if (((str_drc_instruction_str->drc_set_effect & effect_bit_idx) ==
377 0x0) &&
378 ((drc_instructions_dependent->drc_set_effect & effect_bit_idx) ==
379 0x0)) {
380 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
381 memcpy(&selection_candidate_info_step_2[k],
382 &selection_candidate_info[i],
383 sizeof(ia_selection_candidate_info_struct));
384 k++;
385 }
386 }
387 } else {
388 if (state_requested == 1) {
389 if ((str_drc_instruction_str->drc_set_effect & effect_bit_idx) !=
390 0x0) {
391 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
392 memcpy(&selection_candidate_info_step_2[k],
393 &selection_candidate_info[i],
394 sizeof(ia_selection_candidate_info_struct));
395 k++;
396 }
397 } else {
398 if ((str_drc_instruction_str->drc_set_effect & effect_bit_idx) ==
399 0x0) {
400 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
401 memcpy(&selection_candidate_info_step_2[k],
402 &selection_candidate_info[i],
403 sizeof(ia_selection_candidate_info_struct));
404 k++;
405 }
406 }
407 }
408 }
409 selection_candidate_step_2_count = k;
410
411 if (selection_candidate_step_2_count > 0) {
412 *match_found_flag = 1;
413 for (i = 0; i < selection_candidate_step_2_count; i++) {
414 *selection_candidate_count = selection_candidate_step_2_count;
415 memcpy(&selection_candidate_info[i],
416 &selection_candidate_info_step_2[i],
417 sizeof(ia_selection_candidate_info_struct));
418 }
419 } else {
420 *match_found_flag = 0;
421 }
422 }
423 return (0);
424 }
425
impd_match_effect_types(ia_drc_config * pstr_drc_config,WORD32 effect_type_requested_total_count,WORD32 effect_type_requested_desired_count,WORD32 * requested_effect_type,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)426 WORD32 impd_match_effect_types(
427 ia_drc_config* pstr_drc_config, WORD32 effect_type_requested_total_count,
428 WORD32 effect_type_requested_desired_count, WORD32* requested_effect_type,
429 WORD32* selection_candidate_count,
430 ia_selection_candidate_info_struct* selection_candidate_info) {
431 WORD32 k, err;
432 WORD32 match_found_flag = 0;
433 WORD32 state_requested;
434 WORD32 desired_effect_type_found, fallback_effect_type_found;
435
436 desired_effect_type_found = 0;
437 fallback_effect_type_found = 0;
438 k = 0;
439 while (k < effect_type_requested_desired_count) {
440 state_requested = 1;
441 err = impd_match_effect_type_attempt(
442 pstr_drc_config, requested_effect_type[k], state_requested,
443 &match_found_flag, selection_candidate_count, selection_candidate_info);
444 if (err) return (err);
445 if (match_found_flag) desired_effect_type_found = 1;
446 k++;
447 }
448 if (desired_effect_type_found == 0) {
449 while ((k < effect_type_requested_total_count) && (match_found_flag == 0)) {
450 state_requested = 1;
451 err = impd_match_effect_type_attempt(
452 pstr_drc_config, requested_effect_type[k], state_requested,
453 &match_found_flag, selection_candidate_count,
454 selection_candidate_info);
455 if (err) return (err);
456 if (match_found_flag) fallback_effect_type_found = 1;
457 k++;
458 }
459 }
460
461 return (0);
462 }
463
impd_match_dynamic_range(ia_drc_config * pstr_drc_config,ia_drc_loudness_info_set_struct * pstr_loudness_info,ia_drc_sel_proc_params_struct * pstr_drc_sel_proc_params_struct,WORD32 num_drc_requests,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)464 WORD32 impd_match_dynamic_range(
465 ia_drc_config* pstr_drc_config,
466 ia_drc_loudness_info_set_struct* pstr_loudness_info,
467 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct,
468 WORD32 num_drc_requests, WORD32* selection_candidate_count,
469 ia_selection_candidate_info_struct* selection_candidate_info) {
470 ia_drc_instructions_struct* str_drc_instruction_str;
471 WORD32 err, i, k;
472 WORD32 lp_avg_present_val;
473 FLOAT32 lp_avg_val;
474 FLOAT32 deviation_min = 1000.0f;
475 WORD32 selected[DRC_INSTRUCTIONS_COUNT_MAX];
476 WORD32 dynamic_range_measurement_type =
477 pstr_drc_sel_proc_params_struct
478 ->requested_dyn_range_measur_type[num_drc_requests];
479
480 WORD32 requested_dyn_range_range_flag =
481 pstr_drc_sel_proc_params_struct
482 ->requested_dyn_range_range_flag[num_drc_requests];
483
484 FLOAT32 dynamic_range_requested =
485 pstr_drc_sel_proc_params_struct
486 ->requested_dyn_range_value[num_drc_requests];
487
488 FLOAT32 dynamic_range_min_requested =
489 pstr_drc_sel_proc_params_struct
490 ->requested_dyn_range_min_val[num_drc_requests];
491
492 FLOAT32 dynamic_range_max_requested =
493 pstr_drc_sel_proc_params_struct
494 ->requested_dyn_range_max_val[num_drc_requests];
495
496 WORD32* requested_dwnmix_id =
497 pstr_drc_sel_proc_params_struct->requested_dwnmix_id;
498
499 WORD32 album_mode = pstr_drc_sel_proc_params_struct->album_mode;
500
501 k = 0;
502 for (i = 0; i < *selection_candidate_count; i++) {
503 str_drc_instruction_str = &(
504 pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i]
505 .drc_instructions_index]);
506
507 err = impd_loudness_peak_to_average_info(
508 pstr_loudness_info, str_drc_instruction_str,
509 requested_dwnmix_id[selection_candidate_info[i]
510 .downmix_id_request_index],
511 dynamic_range_measurement_type, album_mode, &lp_avg_present_val,
512 &lp_avg_val);
513 if (err) return (err);
514
515 if (lp_avg_present_val == 1) {
516 if (requested_dyn_range_range_flag == 1) {
517 if ((lp_avg_val >= dynamic_range_min_requested) &&
518 (lp_avg_val <= dynamic_range_max_requested)) {
519 if (k >= DRC_INSTRUCTIONS_COUNT_MAX) return UNEXPECTED_ERROR;
520 selected[k] = i;
521 k++;
522 }
523 } else {
524 FLOAT32 deviation =
525 (FLOAT32)fabs((FLOAT64)(dynamic_range_requested - lp_avg_val));
526 if (deviation_min >= deviation) {
527 if (deviation_min > deviation) {
528 deviation_min = deviation;
529 k = 0;
530 }
531 if (k >= DRC_INSTRUCTIONS_COUNT_MAX) return UNEXPECTED_ERROR;
532 selected[k] = i;
533 k++;
534 }
535 }
536 }
537 }
538 if (k > 0) {
539 for (i = 0; i < k; i++) {
540 memcpy(&selection_candidate_info[i],
541 &selection_candidate_info[selected[i]],
542 sizeof(ia_selection_candidate_info_struct));
543 }
544 *selection_candidate_count = k;
545 }
546
547 return (0);
548 }
549
impd_match_drc_characteristic_attempt(ia_drc_config * pstr_drc_config,WORD32 requested_drc_characteristic,WORD32 * match_found_flag,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)550 WORD32 impd_match_drc_characteristic_attempt(
551 ia_drc_config* pstr_drc_config, WORD32 requested_drc_characteristic,
552 WORD32* match_found_flag, WORD32* selection_candidate_count,
553 ia_selection_candidate_info_struct* selection_candidate_info) {
554 WORD32 i, k, n, b, m;
555 WORD32 ref_count;
556 WORD32 drc_characteristic;
557 FLOAT32 match_count;
558 WORD32 drc_characteristic_request_1;
559 WORD32 drc_characteristic_request_2;
560 WORD32 drc_characteristic_request_3;
561
562 ia_drc_instructions_struct* str_drc_instruction_str = NULL;
563 ia_uni_drc_coeffs_struct* str_p_loc_drc_coefficients_uni_drc = NULL;
564 ia_gain_set_params_struct* gain_set_params = NULL;
565 *match_found_flag = 0;
566
567 if (requested_drc_characteristic < 1) {
568 return (UNEXPECTED_ERROR);
569 }
570 if (requested_drc_characteristic < 12) {
571 drc_characteristic_request_1 =
572 drc_characteristic_order_default[requested_drc_characteristic - 1][0];
573 drc_characteristic_request_2 =
574 drc_characteristic_order_default[requested_drc_characteristic - 1][1];
575 drc_characteristic_request_3 =
576 drc_characteristic_order_default[requested_drc_characteristic - 1][2];
577 } else {
578 drc_characteristic_request_1 = requested_drc_characteristic;
579 drc_characteristic_request_2 = -1;
580 drc_characteristic_request_3 = -1;
581 }
582
583 if (pstr_drc_config->drc_coefficients_drc_count) {
584 for (i = 0; i < pstr_drc_config->drc_coefficients_drc_count; i++) {
585 str_p_loc_drc_coefficients_uni_drc =
586 &(pstr_drc_config->str_p_loc_drc_coefficients_uni_drc[i]);
587 if (str_p_loc_drc_coefficients_uni_drc->drc_location == LOCATION_SELECTED)
588 break;
589 }
590
591 if (i == pstr_drc_config->drc_coefficients_drc_count) {
592 return (UNEXPECTED_ERROR);
593 }
594 }
595
596 n = 0;
597 for (i = 0; i < *selection_candidate_count; i++) {
598 ref_count = 0;
599 match_count = 0;
600
601 str_drc_instruction_str = &(
602 pstr_drc_config->str_drc_instruction_str[selection_candidate_info[i]
603 .drc_instructions_index]);
604 for (k = 0; k < str_drc_instruction_str->num_drc_ch_groups; k++) {
605 gain_set_params =
606 &(str_p_loc_drc_coefficients_uni_drc->gain_set_params
607 [str_drc_instruction_str->gain_set_index_for_channel_group[k]]);
608 for (b = 0; b < gain_set_params->band_count; b++) {
609 ref_count++;
610 drc_characteristic = gain_set_params->gain_params[b].drc_characteristic;
611 if (drc_characteristic == drc_characteristic_request_1)
612 match_count += 1.0f;
613 else if (drc_characteristic == drc_characteristic_request_2)
614 match_count += 0.75f;
615 else if (drc_characteristic == drc_characteristic_request_3)
616 match_count += 0.5f;
617 }
618 }
619 if (str_drc_instruction_str->depends_on_drc_set_present == 1) {
620 WORD32 depends_on_drc_set = str_drc_instruction_str->depends_on_drc_set;
621 for (m = 0; m < pstr_drc_config->drc_instructions_uni_drc_count; m++) {
622 if (pstr_drc_config->str_drc_instruction_str[m].drc_set_id ==
623 depends_on_drc_set)
624 break;
625 }
626 if (m == pstr_drc_config->drc_instructions_uni_drc_count) {
627 return (UNEXPECTED_ERROR);
628 }
629 str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str[m]);
630 if ((str_drc_instruction_str->drc_set_effect &
631 (EFFECT_BIT_FADE | EFFECT_BIT_DUCK_OTHER | EFFECT_BIT_DUCK_SELF)) ==
632 0) {
633 if (str_drc_instruction_str->drc_set_effect != EFFECT_BIT_CLIPPING) {
634 for (k = 0; k < str_drc_instruction_str->num_drc_ch_groups; k++) {
635 gain_set_params =
636 &(str_p_loc_drc_coefficients_uni_drc->gain_set_params
637 [str_drc_instruction_str
638 ->gain_set_index_for_channel_group[k]]);
639 for (b = 0; b < gain_set_params->band_count; b++) {
640 ref_count++;
641 drc_characteristic =
642 gain_set_params->gain_params[b].drc_characteristic;
643 if (drc_characteristic == drc_characteristic_request_1)
644 match_count += 1.0f;
645 else if (drc_characteristic == drc_characteristic_request_2)
646 match_count += 0.75f;
647 else if (drc_characteristic == drc_characteristic_request_3)
648 match_count += 0.5;
649 }
650 }
651 }
652 }
653 }
654 if ((ref_count > 0) && (((FLOAT32)match_count) > 0.5f * ref_count)) {
655 if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
656 memcpy(&selection_candidate_info[n], &selection_candidate_info[i],
657 sizeof(ia_selection_candidate_info_struct));
658 n++;
659 }
660 }
661 if (n > 0) {
662 *selection_candidate_count = n;
663 *match_found_flag = 1;
664 }
665
666 return (0);
667 }
668
impd_match_drc_characteristic(ia_drc_config * pstr_drc_config,WORD32 requested_drc_characteristic,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)669 WORD32 impd_match_drc_characteristic(
670 ia_drc_config* pstr_drc_config, WORD32 requested_drc_characteristic,
671 WORD32* selection_candidate_count,
672 ia_selection_candidate_info_struct* selection_candidate_info) {
673 WORD32 k, err;
674 WORD32 match_found_flag = 0;
675
676 const WORD32* drc_characteristic_order =
677 drc_characteristic_order_default[requested_drc_characteristic - 1];
678 const WORD32 drc_characteristic_order_count =
679 sizeof(drc_characteristic_order_default[requested_drc_characteristic]) /
680 sizeof(WORD32);
681 k = 0;
682 while ((k < drc_characteristic_order_count) && (match_found_flag == 0) &&
683 (drc_characteristic_order[k] > 0)) {
684 err = impd_match_drc_characteristic_attempt(
685 pstr_drc_config, drc_characteristic_order[k], &match_found_flag,
686 selection_candidate_count, selection_candidate_info);
687 if (err) return (err);
688 k++;
689 }
690 return (0);
691 }
692
impd_drc_set_preselection(ia_drc_sel_proc_params_struct * pstr_drc_sel_proc_params_struct,ia_drc_config * pstr_drc_config,ia_drc_loudness_info_set_struct * pstr_loudness_info,WORD32 restrict_to_drc_with_album_loudness,ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info)693 WORD32 impd_drc_set_preselection(
694 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct,
695 ia_drc_config* pstr_drc_config,
696 ia_drc_loudness_info_set_struct* pstr_loudness_info,
697 WORD32 restrict_to_drc_with_album_loudness,
698 ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc,
699 WORD32* selection_candidate_count,
700 ia_selection_candidate_info_struct* selection_candidate_info) {
701 WORD32 i, j, k, l, d, n, err;
702 WORD32 downmix_id_match = 0;
703
704 WORD32 selection_candidate_step_2_count;
705 ia_selection_candidate_info_struct
706 selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX];
707
708 WORD32 num_downmix_id_requests =
709 pstr_drc_sel_proc_params_struct->num_downmix_id_requests;
710 WORD32* requested_dwnmix_id =
711 pstr_drc_sel_proc_params_struct->requested_dwnmix_id;
712 FLOAT32 output_peak_level_max =
713 pstr_drc_sel_proc_params_struct->output_peak_level_max;
714 WORD32 loudness_deviation_max =
715 pstr_drc_sel_proc_params_struct->loudness_deviation_max;
716 WORD32* drc_set_id_valid_flag = pstr_drc_uni_sel_proc->drc_set_id_valid_flag;
717 WORD32* eq_set_id_valid_flag = pstr_drc_uni_sel_proc->eq_set_id_valid_flag;
718
719 FLOAT32 output_peak_level_min = 1000.0f;
720 FLOAT32 adjustment;
721 WORD32 loudness_drc_set_id_requested;
722
723 WORD32 num_compression_eq_count = 0;
724 WORD32 num_compression_eq_id[16];
725
726 WORD32 loudness_info_count = 0;
727 WORD32 eq_set_id_loudness[16];
728 FLOAT32 loudness_normalization_gain_db[16];
729 FLOAT32 loudness[16];
730 WORD32 peak_info_count;
731 WORD32 eq_set_id_Peak[16];
732 FLOAT32 signal_peak_level[16];
733 WORD32 explicit_peak_information_present[16];
734
735 ia_uni_drc_coeffs_struct* str_p_loc_drc_coefficients_uni_drc = NULL;
736 ia_drc_instructions_struct* str_drc_instruction_str = NULL;
737
738 impd_select_drc_coeff3(pstr_drc_config, &str_p_loc_drc_coefficients_uni_drc);
739 if (str_p_loc_drc_coefficients_uni_drc == NULL) return UNEXPECTED_ERROR;
740 k = 0;
741 for (d = 0; d < num_downmix_id_requests; d++) {
742 err = impd_find_eq_set_no_compression(
743 pstr_drc_config, requested_dwnmix_id[d], &num_compression_eq_count,
744 num_compression_eq_id);
745 if (err) return (err);
746 for (i = 0; i < pstr_drc_config->drc_instructions_count_plus; i++) {
747 downmix_id_match = 0;
748 str_drc_instruction_str = &(pstr_drc_config->str_drc_instruction_str[i]);
749
750 for (j = 0; j < str_drc_instruction_str->dwnmix_id_count; j++) {
751 if ((str_drc_instruction_str->downmix_id[j] ==
752 requested_dwnmix_id[d]) ||
753 ((str_drc_instruction_str->downmix_id[j] == ID_FOR_BASE_LAYOUT) &&
754 (str_drc_instruction_str->drc_set_id > 0)) ||
755 (str_drc_instruction_str->downmix_id[j] == ID_FOR_ANY_DOWNMIX)) {
756 downmix_id_match = 1;
757 }
758 }
759 if (downmix_id_match == 1) {
760 if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) {
761 if ((str_drc_instruction_str->drc_set_effect != EFFECT_BIT_FADE) &&
762 (str_drc_instruction_str->drc_set_effect !=
763 EFFECT_BIT_DUCK_OTHER) &&
764 (str_drc_instruction_str->drc_set_effect !=
765 EFFECT_BIT_DUCK_SELF) &&
766 (str_drc_instruction_str->drc_set_effect != 0 ||
767 str_drc_instruction_str->drc_set_id < 0) &&
768 (((str_drc_instruction_str->depends_on_drc_set_present == 0) &&
769 (str_drc_instruction_str->no_independent_use == 0)) ||
770 (str_drc_instruction_str->depends_on_drc_set_present == 1))) {
771 WORD32 drc_is_permitted = 1;
772 if (str_drc_instruction_str->drc_set_id > 0) {
773 drc_is_permitted =
774 drc_set_id_valid_flag[str_drc_instruction_str->drc_set_id];
775 }
776 if (drc_is_permitted == 1) {
777 err = impd_init_loudness_control(
778 pstr_drc_sel_proc_params_struct, pstr_loudness_info,
779 requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id,
780
781 num_compression_eq_count, num_compression_eq_id,
782 &loudness_info_count, eq_set_id_loudness,
783 loudness_normalization_gain_db, loudness);
784 if (err) return (err);
785
786 if (loudness_info_count > MAX_LOUDNESS_INFO_COUNT)
787 return UNEXPECTED_ERROR;
788
789 err = impd_signal_peak_level_info(
790 pstr_drc_config, pstr_loudness_info, str_drc_instruction_str,
791 requested_dwnmix_id[d],
792 pstr_drc_sel_proc_params_struct->album_mode,
793 num_compression_eq_count, num_compression_eq_id,
794 &peak_info_count, eq_set_id_Peak, signal_peak_level,
795 explicit_peak_information_present);
796 if (err) return (err);
797
798 for (l = 0; l < loudness_info_count; l++) {
799 WORD32 match_found_flag = 0;
800 WORD32 p;
801 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
802 selection_candidate_info[k].loudness_norm_db_gain_adjusted =
803 loudness_normalization_gain_db[l];
804
805 selection_candidate_info[k]
806 .loudness_norm_db_gain_adjusted = min(
807 selection_candidate_info[k].loudness_norm_db_gain_adjusted,
808 pstr_drc_sel_proc_params_struct->loudness_norm_gain_db_max);
809
810 if (loudness[l] != UNDEFINED_LOUDNESS_VALUE) {
811 selection_candidate_info[k].output_loudness =
812 loudness[l] +
813 selection_candidate_info[k]
814 .loudness_norm_db_gain_adjusted;
815 } else {
816 selection_candidate_info[k].output_loudness =
817 UNDEFINED_LOUDNESS_VALUE;
818 }
819
820 for (p = 0; p < peak_info_count; p++) {
821 if (eq_set_id_Peak[p] == eq_set_id_loudness[l]) {
822 if (eq_set_id_valid_flag[eq_set_id_Peak[p]] == 1)
823
824 {
825 match_found_flag = 1;
826 break;
827 }
828 }
829 }
830 if (match_found_flag == 1) {
831 selection_candidate_info[k].output_peak_level =
832 signal_peak_level[p] +
833 selection_candidate_info[k]
834 .loudness_norm_db_gain_adjusted;
835 } else {
836 selection_candidate_info[k].output_peak_level =
837 selection_candidate_info[k]
838 .loudness_norm_db_gain_adjusted;
839 }
840 if ((str_drc_instruction_str->requires_eq == 1) &&
841 (eq_set_id_valid_flag[eq_set_id_loudness[l]] == 0))
842 continue;
843 selection_candidate_info[k].drc_instructions_index = i;
844 selection_candidate_info[k].downmix_id_request_index = d;
845 selection_candidate_info[k].eq_set_id = eq_set_id_loudness[l];
846 if (explicit_peak_information_present[p] == 1) {
847 selection_candidate_info[k].selection_flags =
848 SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT;
849 } else {
850 selection_candidate_info[k].selection_flags = 0;
851 }
852 impd_mixing_level_info(
853 pstr_drc_sel_proc_params_struct, pstr_loudness_info,
854 requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id,
855 eq_set_id_loudness[l],
856 &selection_candidate_info[k].mixing_level);
857 if (str_drc_instruction_str->drc_set_target_loudness_present &&
858 ((pstr_drc_sel_proc_params_struct
859 ->loudness_normalization_on &&
860 str_drc_instruction_str
861 ->drc_set_target_loudness_value_upper >=
862 pstr_drc_sel_proc_params_struct->target_loudness &&
863 str_drc_instruction_str
864 ->drc_set_target_loudness_value_lower <
865 pstr_drc_sel_proc_params_struct->target_loudness) ||
866 !pstr_drc_sel_proc_params_struct
867 ->loudness_normalization_on)) {
868 selection_candidate_info[k].selection_flags |=
869 SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH;
870 if (!explicit_peak_information_present[p]) {
871 if (pstr_drc_sel_proc_params_struct
872 ->loudness_normalization_on) {
873 selection_candidate_info[k].output_peak_level =
874 pstr_drc_sel_proc_params_struct->target_loudness -
875 str_drc_instruction_str
876 ->drc_set_target_loudness_value_upper;
877 } else {
878 selection_candidate_info[k].output_peak_level = 0.0f;
879 }
880 }
881 }
882 if ((selection_candidate_info[k].selection_flags &
883 (SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH |
884 SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT) ||
885 !str_drc_instruction_str
886 ->drc_set_target_loudness_present)) {
887 k++;
888 }
889 }
890 }
891 }
892 } else {
893 if (str_drc_instruction_str->drc_set_id < 0) {
894 err = impd_init_loudness_control(
895 pstr_drc_sel_proc_params_struct, pstr_loudness_info,
896 requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id,
897 num_compression_eq_count, num_compression_eq_id,
898 &loudness_info_count, eq_set_id_loudness,
899 loudness_normalization_gain_db, loudness);
900 if (err) return (err);
901
902 err = impd_signal_peak_level_info(
903 pstr_drc_config, pstr_loudness_info, str_drc_instruction_str,
904 requested_dwnmix_id[d],
905 pstr_drc_sel_proc_params_struct->album_mode,
906 num_compression_eq_count, num_compression_eq_id,
907 &peak_info_count, eq_set_id_Peak, signal_peak_level,
908 explicit_peak_information_present);
909 if (err) return (err);
910 for (l = 0; l < loudness_info_count; l++) {
911 WORD32 match_found_flag = 0;
912 WORD32 p;
913 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
914 for (p = 0; p < peak_info_count; p++) {
915 if (eq_set_id_Peak[p] == eq_set_id_loudness[l]) {
916 if (eq_set_id_valid_flag[eq_set_id_Peak[p]] == 1) {
917 match_found_flag = 1;
918 break;
919 }
920 }
921 }
922 if (match_found_flag == 1) {
923 adjustment = max(
924 0.0f,
925 signal_peak_level[p] + loudness_normalization_gain_db[l] -
926 pstr_drc_sel_proc_params_struct->output_peak_level_max);
927 adjustment = min(adjustment, max(0.0f, loudness_deviation_max));
928 selection_candidate_info[k].loudness_norm_db_gain_adjusted =
929 loudness_normalization_gain_db[l] - adjustment;
930
931 selection_candidate_info[k]
932 .loudness_norm_db_gain_adjusted = min(
933 selection_candidate_info[k].loudness_norm_db_gain_adjusted,
934 pstr_drc_sel_proc_params_struct->loudness_norm_gain_db_max);
935
936 selection_candidate_info[k].output_peak_level =
937 signal_peak_level[p] +
938 selection_candidate_info[k].loudness_norm_db_gain_adjusted;
939 if (loudness[l] != UNDEFINED_LOUDNESS_VALUE) {
940 selection_candidate_info[k].output_loudness =
941 loudness[l] +
942 selection_candidate_info[k]
943 .loudness_norm_db_gain_adjusted;
944 } else {
945 selection_candidate_info[k].output_loudness =
946 UNDEFINED_LOUDNESS_VALUE;
947 }
948 selection_candidate_info[k].drc_instructions_index = i;
949 selection_candidate_info[k].downmix_id_request_index = d;
950 selection_candidate_info[k].eq_set_id = eq_set_id_loudness[l];
951 if (explicit_peak_information_present[p] == 1) {
952 selection_candidate_info[k].selection_flags =
953 SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT;
954 } else {
955 selection_candidate_info[k].selection_flags = 0;
956 }
957 impd_mixing_level_info(
958 pstr_drc_sel_proc_params_struct, pstr_loudness_info,
959 requested_dwnmix_id[d], str_drc_instruction_str->drc_set_id,
960 eq_set_id_loudness[l],
961 &selection_candidate_info[k].mixing_level);
962 k++;
963 }
964 }
965 }
966 }
967 }
968 }
969 }
970 if (k > SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
971 *selection_candidate_count = k;
972 if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) {
973 n = 0;
974 for (k = 0; k < *selection_candidate_count; k++) {
975 str_drc_instruction_str =
976 &(pstr_drc_config->str_drc_instruction_str
977 [selection_candidate_info[k].drc_instructions_index]);
978
979 if (pstr_drc_sel_proc_params_struct->eq_set_purpose_request !=
980 EQ_PURPOSE_EQ_OFF) {
981 WORD32 matching_eq_set_count = 0;
982 WORD32 matching_eq_instrucions_index[64];
983 err = impd_match_eq_set(
984 pstr_drc_config, requested_dwnmix_id[selection_candidate_info[k]
985 .downmix_id_request_index],
986 str_drc_instruction_str->drc_set_id, eq_set_id_valid_flag,
987 &matching_eq_set_count, matching_eq_instrucions_index);
988 if (err) return (err);
989 for (j = 0; j < matching_eq_set_count; j++) {
990 if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
991 memcpy(&selection_candidate_info_step_2[n],
992 &selection_candidate_info[k],
993 sizeof(ia_selection_candidate_info_struct));
994 selection_candidate_info_step_2[n].eq_set_id =
995 pstr_drc_config->str_drc_config_ext
996 .str_eq_instructions[matching_eq_instrucions_index[j]]
997 .eq_set_id;
998 n++;
999 }
1000 }
1001 if (str_drc_instruction_str->requires_eq == 0) {
1002 if (n >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
1003 memcpy(&selection_candidate_info_step_2[n],
1004 &selection_candidate_info[k],
1005 sizeof(ia_selection_candidate_info_struct));
1006 selection_candidate_info_step_2[n].eq_set_id = 0;
1007 n++;
1008 }
1009 }
1010 if (n > SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
1011 memcpy(selection_candidate_info, selection_candidate_info_step_2,
1012 n * sizeof(ia_selection_candidate_info_struct));
1013 *selection_candidate_count = n;
1014 n = 0;
1015 for (k = 0; k < *selection_candidate_count; k++) {
1016 if ((selection_candidate_info[k].selection_flags &
1017 SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) &&
1018 !(selection_candidate_info[k].selection_flags &
1019 SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT)) {
1020 memcpy(&selection_candidate_info_step_2[n],
1021 &selection_candidate_info[k],
1022 sizeof(ia_selection_candidate_info_struct));
1023 n++;
1024 } else {
1025 if (selection_candidate_info[k].output_peak_level <=
1026 output_peak_level_max) {
1027 memcpy(&selection_candidate_info_step_2[n],
1028 &selection_candidate_info[k],
1029 sizeof(ia_selection_candidate_info_struct));
1030 n++;
1031 }
1032 if (selection_candidate_info[k].output_peak_level <
1033 output_peak_level_min) {
1034 output_peak_level_min = selection_candidate_info[k].output_peak_level;
1035 }
1036 }
1037 }
1038 selection_candidate_step_2_count = n;
1039 if (selection_candidate_step_2_count == 0) {
1040 n = 0;
1041 for (k = 0; k < *selection_candidate_count; k++) {
1042 if ((selection_candidate_info[k].selection_flags &
1043 SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) &&
1044 (selection_candidate_info[k].selection_flags &
1045 SELECTION_FLAG_EXPLICIT_PEAK_INFO_PRESENT)) {
1046 memcpy(&selection_candidate_info_step_2[n],
1047 &selection_candidate_info[k],
1048 sizeof(ia_selection_candidate_info_struct));
1049 n++;
1050 }
1051 }
1052 selection_candidate_step_2_count = n;
1053 }
1054 if (selection_candidate_step_2_count == 0) {
1055 n = 0;
1056 for (k = 0; k < *selection_candidate_count; k++) {
1057 if (selection_candidate_info_step_2[k].output_peak_level <
1058 output_peak_level_min + 1.0f) {
1059 memcpy(&selection_candidate_info_step_2[n],
1060 &selection_candidate_info[k],
1061 sizeof(ia_selection_candidate_info_struct));
1062 adjustment =
1063 max(0.0f, selection_candidate_info_step_2[n].output_peak_level -
1064 output_peak_level_max);
1065 adjustment = min(adjustment, max(0.0f, loudness_deviation_max));
1066 selection_candidate_info_step_2[n].loudness_norm_db_gain_adjusted -=
1067 adjustment;
1068 selection_candidate_info_step_2[n].output_peak_level -= adjustment;
1069 selection_candidate_info_step_2[n].output_loudness -= adjustment;
1070 n++;
1071 }
1072 }
1073 selection_candidate_step_2_count = n;
1074 }
1075
1076 for (n = 0; n < selection_candidate_step_2_count; n++) {
1077 memcpy(&selection_candidate_info[n], &selection_candidate_info_step_2[n],
1078 sizeof(ia_selection_candidate_info_struct));
1079 }
1080 *selection_candidate_count = selection_candidate_step_2_count;
1081 }
1082
1083 if (restrict_to_drc_with_album_loudness == 1) {
1084 j = 0;
1085 for (k = 0; k < *selection_candidate_count; k++) {
1086 loudness_drc_set_id_requested =
1087 max(0, pstr_drc_config
1088 ->str_drc_instruction_str[selection_candidate_info[k]
1089 .drc_instructions_index]
1090 .drc_set_id);
1091 for (n = 0; n < pstr_loudness_info->loudness_info_album_count; n++) {
1092 if (loudness_drc_set_id_requested ==
1093 pstr_loudness_info->str_loudness_info_album[n].drc_set_id) {
1094 if (j >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
1095 memcpy(&selection_candidate_info[j], &selection_candidate_info[k],
1096 sizeof(ia_selection_candidate_info_struct));
1097 j++;
1098 break;
1099 }
1100 }
1101 }
1102 *selection_candidate_count = j;
1103 }
1104 return (0);
1105 }
1106
impd_drc_set_final_selection(ia_drc_config * pstr_drc_config,ia_drc_sel_proc_params_struct * pstr_drc_sel_proc_params_struct,WORD32 * selection_candidate_count,ia_selection_candidate_info_struct * selection_candidate_info,WORD32 * eq_set_id_valid_flag)1107 WORD32 impd_drc_set_final_selection(
1108 ia_drc_config* pstr_drc_config,
1109 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct,
1110 WORD32* selection_candidate_count,
1111 ia_selection_candidate_info_struct* selection_candidate_info,
1112 WORD32* eq_set_id_valid_flag) {
1113 WORD32 k, i, n, err;
1114 WORD32 selection_candidate_step_2_count;
1115 ia_selection_candidate_info_struct
1116 selection_candidate_info_step_2[SELECTION_CANDIDATE_COUNT_MAX];
1117 WORD32 drc_set_id_max;
1118 FLOAT32 output_level_max;
1119 FLOAT32 output_level_min;
1120 WORD32 effect_count, effect_count_min;
1121 WORD32 effect_types_request_table_size;
1122 WORD32 drc_set_target_loudness_val_upper_min;
1123 ia_drc_instructions_struct* str_drc_instruction_str;
1124 ia_drc_instructions_struct* drc_instructions_dependent;
1125
1126 if (pstr_drc_sel_proc_params_struct->eq_set_purpose_request > 0) {
1127 WORD32 eq_purpose_requested =
1128 pstr_drc_sel_proc_params_struct->eq_set_purpose_request;
1129
1130 impd_match_eq_set_purpose(pstr_drc_config, eq_purpose_requested,
1131 eq_set_id_valid_flag, selection_candidate_count,
1132 selection_candidate_info,
1133 selection_candidate_info_step_2);
1134 }
1135
1136 output_level_min = 10000.0f;
1137 k = 0;
1138 for (i = 0; i < *selection_candidate_count; i++) {
1139 if (output_level_min >= selection_candidate_info[i].output_peak_level) {
1140 if (output_level_min > selection_candidate_info[i].output_peak_level) {
1141 output_level_min = selection_candidate_info[i].output_peak_level;
1142 k = 0;
1143 }
1144 memcpy(&selection_candidate_info_step_2[k], &selection_candidate_info[i],
1145 sizeof(ia_selection_candidate_info_struct));
1146 k++;
1147 }
1148 }
1149 selection_candidate_step_2_count = k;
1150
1151 if (output_level_min <= 0.0f) {
1152 selection_candidate_step_2_count = *selection_candidate_count;
1153 k = 0;
1154 for (i = 0; i < selection_candidate_step_2_count; i++) {
1155 if (selection_candidate_info[i].output_peak_level <= 0.0f) {
1156 memcpy(&selection_candidate_info_step_2[k],
1157 &selection_candidate_info[i],
1158 sizeof(ia_selection_candidate_info_struct));
1159 k++;
1160 }
1161 }
1162 selection_candidate_step_2_count = k;
1163
1164 k = 0;
1165 for (i = 0; i < selection_candidate_step_2_count; i++) {
1166 str_drc_instruction_str =
1167 &(pstr_drc_config->str_drc_instruction_str
1168 [selection_candidate_info_step_2[i].drc_instructions_index]);
1169 for (n = 0; n < str_drc_instruction_str->dwnmix_id_count; n++) {
1170 if (pstr_drc_sel_proc_params_struct->requested_dwnmix_id
1171 [selection_candidate_info_step_2[i].downmix_id_request_index] ==
1172 str_drc_instruction_str->downmix_id[n]) {
1173 if (k >= SELECTION_CANDIDATE_COUNT_MAX) return UNEXPECTED_ERROR;
1174 memcpy(&selection_candidate_info_step_2[k],
1175 &selection_candidate_info_step_2[i],
1176 sizeof(ia_selection_candidate_info_struct));
1177 k++;
1178 }
1179 }
1180 }
1181 if (k > 0) {
1182 selection_candidate_step_2_count = k;
1183 }
1184
1185 effect_types_request_table_size =
1186 sizeof(effect_types_request_table) / sizeof(WORD32);
1187 effect_count_min = 100;
1188 k = 0;
1189 for (i = 0; i < selection_candidate_step_2_count; i++) {
1190 str_drc_instruction_str =
1191 &(pstr_drc_config->str_drc_instruction_str
1192 [selection_candidate_info_step_2[i].drc_instructions_index]);
1193 effect_count = 0;
1194 if (str_drc_instruction_str->depends_on_drc_set_present == 1) {
1195 err = impd_get_dependent_drc_instructions(pstr_drc_config,
1196 str_drc_instruction_str,
1197 &drc_instructions_dependent);
1198 if (err) return (err);
1199
1200 for (n = 0; n < effect_types_request_table_size; n++) {
1201 if (effect_types_request_table[n] != EFFECT_BIT_GENERAL_COMPR) {
1202 if (((str_drc_instruction_str->drc_set_effect &
1203 effect_types_request_table[n]) != 0x0) ||
1204 ((drc_instructions_dependent->drc_set_effect &
1205 effect_types_request_table[n]) != 0x0)) {
1206 effect_count++;
1207 }
1208 }
1209 }
1210 } else {
1211 for (n = 0; n < effect_types_request_table_size; n++) {
1212 if (effect_types_request_table[n] != EFFECT_BIT_GENERAL_COMPR) {
1213 if ((str_drc_instruction_str->drc_set_effect &
1214 effect_types_request_table[n]) != 0x0) {
1215 effect_count++;
1216 }
1217 }
1218 }
1219 }
1220 if (effect_count_min >= effect_count) {
1221 if (effect_count_min > effect_count) {
1222 effect_count_min = effect_count;
1223 k = 0;
1224 }
1225 memcpy(&selection_candidate_info_step_2[k],
1226 &selection_candidate_info_step_2[i],
1227 sizeof(ia_selection_candidate_info_struct));
1228 k++;
1229 }
1230 }
1231 selection_candidate_step_2_count = k;
1232
1233 drc_set_target_loudness_val_upper_min = 100;
1234 k = 0;
1235 for (i = 0; i < selection_candidate_step_2_count; i++) {
1236 if (selection_candidate_info_step_2[i].selection_flags &
1237 SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH) {
1238 k++;
1239 }
1240 }
1241 if (k != 0 && k != selection_candidate_step_2_count) {
1242 k = 0;
1243 for (i = 0; i < selection_candidate_step_2_count; i++) {
1244 if (!(selection_candidate_info_step_2[i].selection_flags &
1245 SELECTION_FLAG_DRC_TARGET_LOUDNESS_MATCH)) {
1246 memcpy(&selection_candidate_info_step_2[k],
1247 &selection_candidate_info_step_2[i],
1248 sizeof(ia_selection_candidate_info_struct));
1249 k++;
1250 }
1251 }
1252 selection_candidate_step_2_count = k;
1253 } else if (k == selection_candidate_step_2_count) {
1254 k = 0;
1255 for (i = 0; i < selection_candidate_step_2_count; i++) {
1256 str_drc_instruction_str =
1257 &(pstr_drc_config->str_drc_instruction_str
1258 [selection_candidate_info_step_2[i].drc_instructions_index]);
1259 if (str_drc_instruction_str->drc_set_target_loudness_present != 1) {
1260 return UNEXPECTED_ERROR;
1261 }
1262 if (drc_set_target_loudness_val_upper_min >=
1263 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1264 if (drc_set_target_loudness_val_upper_min >
1265 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1266 drc_set_target_loudness_val_upper_min =
1267 str_drc_instruction_str->drc_set_target_loudness_value_upper;
1268 k = 0;
1269 }
1270 memcpy(&selection_candidate_info_step_2[k],
1271 &selection_candidate_info_step_2[i],
1272 sizeof(ia_selection_candidate_info_struct));
1273 k++;
1274 }
1275 }
1276 selection_candidate_step_2_count = k;
1277 }
1278
1279 k = 0;
1280 for (i = 0; i < selection_candidate_step_2_count; i++) {
1281 str_drc_instruction_str =
1282 &(pstr_drc_config->str_drc_instruction_str
1283 [selection_candidate_info_step_2[i].drc_instructions_index]);
1284 if (str_drc_instruction_str->drc_set_target_loudness_present &&
1285 pstr_drc_sel_proc_params_struct->loudness_normalization_on &&
1286 str_drc_instruction_str->drc_set_target_loudness_value_upper >=
1287 pstr_drc_sel_proc_params_struct->target_loudness &&
1288 str_drc_instruction_str->drc_set_target_loudness_value_lower <
1289 pstr_drc_sel_proc_params_struct->target_loudness) {
1290 k++;
1291 }
1292 }
1293 if (k != 0 && k != selection_candidate_step_2_count) {
1294 k = 0;
1295 for (i = 0; i < selection_candidate_step_2_count; i++) {
1296 str_drc_instruction_str =
1297 &(pstr_drc_config->str_drc_instruction_str
1298 [selection_candidate_info_step_2[i].drc_instructions_index]);
1299 if (str_drc_instruction_str->drc_set_target_loudness_present &&
1300 pstr_drc_sel_proc_params_struct->loudness_normalization_on &&
1301 str_drc_instruction_str->drc_set_target_loudness_value_upper >=
1302 pstr_drc_sel_proc_params_struct->target_loudness &&
1303 str_drc_instruction_str->drc_set_target_loudness_value_lower <
1304 pstr_drc_sel_proc_params_struct->target_loudness) {
1305 memcpy(&selection_candidate_info_step_2[k],
1306 &selection_candidate_info_step_2[i],
1307 sizeof(ia_selection_candidate_info_struct));
1308 k++;
1309 }
1310 }
1311 selection_candidate_step_2_count = k;
1312 drc_set_target_loudness_val_upper_min = 100;
1313 k = 0;
1314 for (i = 0; i < selection_candidate_step_2_count; i++) {
1315 str_drc_instruction_str =
1316 &(pstr_drc_config->str_drc_instruction_str
1317 [selection_candidate_info_step_2[i].drc_instructions_index]);
1318 if (str_drc_instruction_str->drc_set_target_loudness_present != 1) {
1319 return UNEXPECTED_ERROR;
1320 }
1321 if (drc_set_target_loudness_val_upper_min >=
1322 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1323 if (drc_set_target_loudness_val_upper_min >
1324 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1325 drc_set_target_loudness_val_upper_min =
1326 str_drc_instruction_str->drc_set_target_loudness_value_upper;
1327 k = 0;
1328 }
1329 memcpy(&selection_candidate_info_step_2[k],
1330 &selection_candidate_info_step_2[i],
1331 sizeof(ia_selection_candidate_info_struct));
1332 k++;
1333 }
1334 }
1335 selection_candidate_step_2_count = k;
1336 } else if (k == selection_candidate_step_2_count) {
1337 drc_set_target_loudness_val_upper_min = 100;
1338 k = 0;
1339 for (i = 0; i < selection_candidate_step_2_count; i++) {
1340 str_drc_instruction_str =
1341 &(pstr_drc_config->str_drc_instruction_str
1342 [selection_candidate_info_step_2[i].drc_instructions_index]);
1343 if (str_drc_instruction_str->drc_set_target_loudness_present != 1) {
1344 return UNEXPECTED_ERROR;
1345 }
1346 if (drc_set_target_loudness_val_upper_min >=
1347 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1348 if (drc_set_target_loudness_val_upper_min >
1349 str_drc_instruction_str->drc_set_target_loudness_value_upper) {
1350 drc_set_target_loudness_val_upper_min =
1351 str_drc_instruction_str->drc_set_target_loudness_value_upper;
1352 k = 0;
1353 }
1354 memcpy(&selection_candidate_info_step_2[k],
1355 &selection_candidate_info_step_2[i],
1356 sizeof(ia_selection_candidate_info_struct));
1357 k++;
1358 }
1359 }
1360 selection_candidate_step_2_count = k;
1361 }
1362 k = 0;
1363 output_level_max = -1000.0f;
1364 for (i = 0; i < selection_candidate_step_2_count; i++) {
1365 if ((selection_candidate_info_step_2[i].output_peak_level <= 0.0f) &&
1366 (output_level_max <=
1367 selection_candidate_info_step_2[i].output_peak_level)) {
1368 if (output_level_max <
1369 selection_candidate_info_step_2[i].output_peak_level) {
1370 output_level_max =
1371 selection_candidate_info_step_2[i].output_peak_level;
1372 k = 0;
1373 }
1374 memcpy(&selection_candidate_info_step_2[k],
1375 &selection_candidate_info_step_2[i],
1376 sizeof(ia_selection_candidate_info_struct));
1377 k++;
1378 output_level_max = selection_candidate_info_step_2[i].output_peak_level;
1379 }
1380 }
1381 selection_candidate_step_2_count = k;
1382 }
1383
1384 drc_set_id_max = -1000;
1385 for (i = 0; i < selection_candidate_step_2_count; i++) {
1386 str_drc_instruction_str =
1387 &(pstr_drc_config->str_drc_instruction_str
1388 [selection_candidate_info_step_2[i].drc_instructions_index]);
1389 if (drc_set_id_max < str_drc_instruction_str->drc_set_id) {
1390 drc_set_id_max = str_drc_instruction_str->drc_set_id;
1391 memcpy(&selection_candidate_info_step_2[0],
1392 &selection_candidate_info_step_2[i],
1393 sizeof(ia_selection_candidate_info_struct));
1394 }
1395 }
1396 memcpy(&selection_candidate_info[0], &selection_candidate_info_step_2[0],
1397 sizeof(ia_selection_candidate_info_struct));
1398 *selection_candidate_count = 1;
1399
1400 return 0;
1401 }
1402
impd_select_drc_set(ia_drc_sel_pro_struct * pstr_drc_uni_sel_proc,WORD32 * drc_set_id_selected,WORD32 * eq_set_id_selected,WORD32 * loud_eq_id_sel)1403 WORD32 impd_select_drc_set(ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc,
1404 WORD32* drc_set_id_selected,
1405 WORD32* eq_set_id_selected, WORD32* loud_eq_id_sel) {
1406 WORD32 i, err;
1407
1408 ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct =
1409 &pstr_drc_uni_sel_proc->uni_drc_sel_proc_params;
1410 ia_drc_config* pstr_drc_config = &pstr_drc_uni_sel_proc->drc_config;
1411 ia_drc_loudness_info_set_struct* pstr_loudness_info =
1412 &pstr_drc_uni_sel_proc->loudness_info_set;
1413
1414 WORD32 selection_candidate_count = 0;
1415 WORD32 restrict_to_drc_with_album_loudness = 0;
1416 ia_selection_candidate_info_struct
1417 selection_candidate_info[SELECTION_CANDIDATE_COUNT_MAX];
1418
1419 // WORD32 selected_eq_set_count = 0;
1420
1421 if (pstr_drc_sel_proc_params_struct->album_mode == 1) {
1422 restrict_to_drc_with_album_loudness = 1;
1423 }
1424
1425 while (!selection_candidate_count) {
1426 err = impd_drc_set_preselection(
1427 pstr_drc_sel_proc_params_struct, pstr_drc_config, pstr_loudness_info,
1428 restrict_to_drc_with_album_loudness, pstr_drc_uni_sel_proc,
1429 &selection_candidate_count, selection_candidate_info);
1430 if (err) return err;
1431
1432 if (selection_candidate_count == 0) {
1433 if (restrict_to_drc_with_album_loudness == 1) {
1434 restrict_to_drc_with_album_loudness = 0;
1435 continue;
1436 } else {
1437 return (UNEXPECTED_ERROR);
1438 }
1439 }
1440
1441 err = impd_validate_requested_drc_feature(pstr_drc_sel_proc_params_struct);
1442 if (err) return (err);
1443
1444 if (pstr_drc_sel_proc_params_struct->dynamic_range_control_on == 1) {
1445 if (pstr_drc_sel_proc_params_struct->num_drc_feature_requests > 0) {
1446 for (i = 0;
1447 i < pstr_drc_sel_proc_params_struct->num_drc_feature_requests;
1448 i++) {
1449 switch (pstr_drc_sel_proc_params_struct->drc_feature_req_type[i]) {
1450 case MATCH_EFFECT_TYPE:
1451 err = impd_match_effect_types(
1452 pstr_drc_config,
1453 pstr_drc_sel_proc_params_struct->requested_num_drc_effects[i],
1454 pstr_drc_sel_proc_params_struct
1455 ->desired_num_drc_effects_of_requested[i],
1456 pstr_drc_sel_proc_params_struct->requested_drc_effect_type[i],
1457 &selection_candidate_count, selection_candidate_info);
1458 if (err) return (err);
1459 break;
1460 case MATCH_DYNAMIC_RANGE:
1461 err = impd_match_dynamic_range(
1462 pstr_drc_config, pstr_loudness_info,
1463 pstr_drc_sel_proc_params_struct, i,
1464 &selection_candidate_count, selection_candidate_info);
1465 if (err) return (err);
1466 break;
1467 case MATCH_DRC_CHARACTERISTIC:
1468 err = impd_match_drc_characteristic(
1469 pstr_drc_config, pstr_drc_sel_proc_params_struct
1470 ->requested_drc_characteristic[i],
1471 &selection_candidate_count, selection_candidate_info);
1472 if (err) return (err);
1473 break;
1474
1475 default:
1476 return (UNEXPECTED_ERROR);
1477 break;
1478 }
1479 }
1480 } else {
1481 WORD32 match_found_flag = 0;
1482
1483 err = impd_select_drcs_without_compr_effects(
1484 pstr_drc_config, &match_found_flag, &selection_candidate_count,
1485 selection_candidate_info);
1486 if (err) return (err);
1487
1488 if (match_found_flag == 0) {
1489 WORD32 requested_num_drc_effects = 5;
1490 WORD32 desired_num_drc_effects_of_requested = 1;
1491 WORD32 requested_drc_effect_type[5] = {
1492 EFFECT_TYPE_REQUESTED_GENERAL_COMPR, EFFECT_TYPE_REQUESTED_NIGHT,
1493 EFFECT_TYPE_REQUESTED_NOISY, EFFECT_TYPE_REQUESTED_LIMITED,
1494 EFFECT_TYPE_REQUESTED_LOWLEVEL};
1495
1496 err = impd_match_effect_types(
1497 pstr_drc_config, requested_num_drc_effects,
1498 desired_num_drc_effects_of_requested, requested_drc_effect_type,
1499 &selection_candidate_count, selection_candidate_info);
1500 if (err) return (err);
1501 }
1502 }
1503
1504 if (selection_candidate_count > 0) {
1505 err = impd_drc_set_final_selection(
1506 pstr_drc_config, pstr_drc_sel_proc_params_struct,
1507 &selection_candidate_count, selection_candidate_info,
1508 pstr_drc_uni_sel_proc->eq_set_id_valid_flag);
1509 if (err) return (err);
1510 } else {
1511 selection_candidate_count = 0;
1512 return (UNEXPECTED_ERROR);
1513 }
1514 }
1515
1516 if (selection_candidate_count == 0) {
1517 if (restrict_to_drc_with_album_loudness == 1) {
1518 restrict_to_drc_with_album_loudness = 0;
1519 } else {
1520 return (UNEXPECTED_ERROR);
1521 }
1522 }
1523 }
1524 *drc_set_id_selected =
1525 pstr_drc_config
1526 ->str_drc_instruction_str[selection_candidate_info[0]
1527 .drc_instructions_index]
1528 .drc_set_id;
1529 *eq_set_id_selected = selection_candidate_info[0].eq_set_id;
1530
1531 impd_select_loud_eq(
1532 pstr_drc_config,
1533 pstr_drc_sel_proc_params_struct->requested_dwnmix_id
1534 [selection_candidate_info[0].downmix_id_request_index],
1535 *drc_set_id_selected, *eq_set_id_selected, loud_eq_id_sel);
1536 if (selection_candidate_count > 0) {
1537 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output
1538 .loudness_normalization_gain_db =
1539 selection_candidate_info[0].loudness_norm_db_gain_adjusted;
1540 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_peak_level_db =
1541 selection_candidate_info[0].output_peak_level;
1542 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_loudness =
1543 selection_candidate_info[0].output_loudness;
1544 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.active_downmix_id =
1545 pstr_drc_sel_proc_params_struct->requested_dwnmix_id
1546 [selection_candidate_info[0].downmix_id_request_index];
1547 pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.mixing_level =
1548 selection_candidate_info[0].mixing_level;
1549 }
1550 return (0);
1551 }
1552