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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 #ifndef IMPD_DRC_STURCT_H
21 #define IMPD_DRC_STURCT_H
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 #define METHOD_DEFINITION_UNKNOWN_OTHER 0
28 #define METHOD_DEFINITION_PROGRAM_LOUDNESS 1
29 #define METHOD_DEFINITION_ANCHOR_LOUDNESS 2
30 #define METHOD_DEFINITION_MAX_OF_LOUDNESS_RANGE 3
31 #define METHOD_DEFINITION_MOMENTARY_LOUDNESS_MAX 4
32 #define METHOD_DEFINITION_SHORT_TERM_LOUDNESS_MAX 5
33 #define METHOD_DEFINITION_LOUDNESS_RANGE 6
34 #define METHOD_DEFINITION_MIXING_LEVEL 7
35 #define METHOD_DEFINITION_ROOM_TYPE 8
36 #define METHOD_DEFINITION_SHORT_TERM_LOUDNESS 9
37 
38 #define MEASUREMENT_SYSTEM_UNKNOWN_OTHER 0
39 #define MEASUREMENT_SYSTEM_EBU_R_128 1
40 #define MEASUREMENT_SYSTEM_BS_1770_4 2
41 #define MEASUREMENT_SYSTEM_BS_1770_3 MEASUREMENT_SYSTEM_BS_1770_4
42 #define MEASUREMENT_SYSTEM_BS_1770_4_PRE_PROCESSING 3
43 #define MEASUREMENT_SYSTEM_BS_1770_3_PRE_PROCESSING \
44   MEASUREMENT_SYSTEM_BS_1770_4_PRE_PROCESSING
45 #define MEASUREMENT_SYSTEM_USER 4
46 #define MEASUREMENT_SYSTEM_EXPERT_PANEL 5
47 #define MEASUREMENT_SYSTEM_BS_1771_1 6
48 #define MEASUREMENT_SYSTEM_RESERVED_A 7
49 #define MEASUREMENT_SYSTEM_RESERVED_B 8
50 #define MEASUREMENT_SYSTEM_RESERVED_C 9
51 #define MEASUREMENT_SYSTEM_RESERVED_D 10
52 #define MEASUREMENT_SYSTEM_RESERVED_E 11
53 
54 #define RELIABILITY_UKNOWN 0
55 #define RELIABILITY_UNVERIFIED 1
56 #define RELIABILITY_CEILING 2
57 #define RELIABILITY_ACCURATE 3
58 
59 #define EFFECT_BIT_COUNT 12
60 
61 #define EFFECT_BIT_NONE (-1)
62 #define EFFECT_BIT_NIGHT 0x0001
63 #define EFFECT_BIT_NOISY 0x0002
64 #define EFFECT_BIT_LIMITED 0x0004
65 #define EFFECT_BIT_LOWLEVEL 0x0008
66 #define EFFECT_BIT_DIALOG 0x0010
67 #define EFFECT_BIT_GENERAL_COMPR 0x0020
68 #define EFFECT_BIT_EXPAND 0x0040
69 #define EFFECT_BIT_ARTISTIC 0x0080
70 #define EFFECT_BIT_CLIPPING 0x0100
71 #define EFFECT_BIT_FADE 0x0200
72 #define EFFECT_BIT_DUCK_OTHER 0x0400
73 #define EFFECT_BIT_DUCK_SELF 0x0800
74 
75 #define GAIN_CODING_PROFILE_REGULAR 0
76 #define GAIN_CODING_PROFILE_FADING 1
77 #define GAIN_CODING_PROFILE_CLIPPING 2
78 #define GAIN_CODING_PROFILE_CONSTANT 3
79 #define GAIN_CODING_PROFILE_DUCKING GAIN_CODING_PROFILE_CLIPPING
80 
81 #define GAIN_INTERPOLATION_TYPE_SPLINE 0
82 #define GAIN_INTERPOLATION_TYPE_LINEAR 1
83 
84 #define USER_METHOD_DEFINITION_DEFAULT 0
85 #define USER_METHOD_DEFINITION_PROGRAM_LOUDNESS 1
86 #define USER_METHOD_DEFINITION_ANCHOR_LOUDNESS 2
87 
88 #define USER_MEASUREMENT_SYSTEM_DEFAULT 0
89 #define USER_MEASUREMENT_SYSTEM_BS_1770_4 1
90 #define USER_MEASUREMENT_SYSTEM_BS_1770_3 USER_MEASUREMENT_SYSTEM_BS_1770_4
91 #define USER_MEASUREMENT_SYSTEM_USER 2
92 #define USER_MEASUREMENT_SYSTEM_EXPERT_PANEL 3
93 #define USER_MEASUREMENT_SYSTEM_RESERVED_A 4
94 #define USER_MEASUREMENT_SYSTEM_RESERVED_B 5
95 #define USER_MEASUREMENT_SYSTEM_RESERVED_C 6
96 #define USER_MEASUREMENT_SYSTEM_RESERVED_D 7
97 #define USER_MEASUREMENT_SYSTEM_RESERVED_E 8
98 
99 #define USER_LOUDNESS_PREPROCESSING_DEFAULT 0
100 #define USER_LOUDNESS_PREPROCESSING_OFF 1
101 #define USER_LOUDNESS_PREPROCESSING_HIGHPASS 2
102 
103 #define LOUDNESS_DEVIATION_MAX_DEFAULT 63
104 #define LOUDNESS_NORMALIZATION_GAIN_MAX_DEFAULT 1000
105 
106 #define SHORT_TERM_LOUDNESS_TO_AVG 0
107 #define MOMENTARY_LOUDNESS_TO_AVG 1
108 #define TOP_OF_LOUDNESS_RANGE_TO_AVG 2
109 
110 #define DRC_COMPLEXITY_LEVEL_MAX 0xF
111 #define EQ_COMPLEXITY_LEVEL_MAX 0xF
112 #define COMPLEXITY_LEVEL_SUPPORTED_TOTAL 20.0f
113 
114 #define COMPLEXITY_W_SUBBAND_EQ 2.5f
115 #define COMPLEXITY_W_FIR 0.4f
116 #define COMPLEXITY_W_IIR 5.0f
117 #define COMPLEXITY_W_MOD_TIME 1.0f
118 #define COMPLEXITY_W_MOD_SUBBAND 2.0f
119 #define COMPLEXITY_W_LAP 2.0f
120 #define COMPLEXITY_W_SHAPE 6.0f
121 #define COMPLEXITY_W_SPLINE 5.0f
122 #define COMPLEXITY_W_LINEAR 2.5f
123 #define COMPLEXITY_W_PARAM_DRC_FILT 5.0f
124 #define COMPLEXITY_W_PARAM_DRC_SUBBAND 5.0f
125 #define COMPLEXITY_W_PARAM_LIM_FILT 4.5f
126 #define COMPLEXITY_W_PARAM_DRC_ATTACK 136.0f
127 
128 #define LEFT_SIDE 0
129 #define RIGHT_SIDE 1
130 
131 #define CHARACTERISTIC_SIGMOID 0
132 #define CHARACTERISTIC_NODES 1
133 #define CHARACTERISTIC_PASS_THRU 2
134 
135 #define GAINFORMAT_QMF32 0x1
136 #define GAINFORMAT_QMFHYBRID39 0x2
137 #define GAINFORMAT_QMF64 0x3
138 #define GAINFORMAT_QMFHYBRID71 0x4
139 #define GAINFORMAT_QMF128 0x5
140 #define GAINFORMAT_QMFHYBRID135 0x6
141 #define GAINFORMAT_UNIFORM 0x7
142 
143 #define DRC_INPUT_LOUDNESS_TARGET (-31.0f)
144 
145 #define SHAPE_FILTER_TYPE_OFF 0
146 #define SHAPE_FILTER_TYPE_LF_CUT 1
147 #define SHAPE_FILTER_TYPE_LF_BOOST 2
148 #define SHAPE_FILTER_TYPE_HF_CUT 3
149 #define SHAPE_FILTER_TYPE_HF_BOOST 4
150 
151 #define SHAPE_FILTER_DRC_GAIN_MAX_MINUS_ONE 1583.8931924611f
152 
153 typedef struct {
154   WORD32 type;
155   FLOAT32 gain_offset;
156   FLOAT32 y1_bound;
157   FLOAT32 warped_gain_max;
158   FLOAT32 factor;
159   FLOAT32 coeff_sum;
160   FLOAT32 partial_coeff_sum;
161   FLOAT32 g_norm;
162   FLOAT32 a1;
163   FLOAT32 a2;
164   FLOAT32 b1;
165   FLOAT32 b2;
166   FLOAT32 audio_in_state_1[MAX_CHANNEL_COUNT];
167   FLOAT32 audio_in_state_2[MAX_CHANNEL_COUNT];
168   FLOAT32 audio_out_state_1[MAX_CHANNEL_COUNT];
169   FLOAT32 audio_out_state_2[MAX_CHANNEL_COUNT];
170 } ia_shape_filter_struct;
171 
172 typedef struct {
173   WORD32 shape_flter_block_flag;
174   FLOAT32 drc_gain_last;
175   ia_shape_filter_struct shape_filter[4];
176 } shape_filter_block;
177 
178 typedef struct {
179   WORD32 level_estim_k_weighting_type;
180   WORD32 level_estim_integration_time_present;
181   WORD32 level_estim_integration_time;
182   WORD32 drc_curve_definition_type;
183   WORD32 drc_characteristic;
184   WORD32 node_count;
185   WORD32 node_level[PARAM_DRC_TYPE_FF_NODE_COUNT_MAX];
186   WORD32 node_gain[PARAM_DRC_TYPE_FF_NODE_COUNT_MAX];
187   WORD32 drc_gain_smooth_parameters_present;
188   WORD32 gain_smooth_attack_time_slow;
189   WORD32 gain_smooth_release_time_slow;
190   WORD32 gain_smooth_time_fast_present;
191   WORD32 gain_smooth_attack_time_fast;
192   WORD32 gain_smooth_release_time_fast;
193   WORD32 gain_smooth_threshold_present;
194   WORD32 gain_smooth_attack_threshold;
195   WORD32 gain_smooth_rel_threshold;
196   WORD32 gain_smooth_hold_off_count_present;
197   WORD32 gain_smooth_hold_off;
198 
199   WORD32 disable_paramteric_drc;
200 } ia_parametric_drc_type_feed_forward_struct;
201 
202 typedef struct {
203   WORD32 parametric_lim_threshold_present;
204   FLOAT32 parametric_lim_threshold;
205   WORD32 parametric_lim_attack;
206   WORD32 parametric_lim_release_present;
207   WORD32 parametric_lim_release;
208   WORD32 drc_characteristic;
209 
210   WORD32 disable_paramteric_drc;
211 } ia_parametric_drc_lim_struct;
212 
213 typedef struct {
214   WORD32 parametric_drc_id;
215   WORD32 parametric_drc_look_ahead_flag;
216   WORD32 parametric_drc_look_ahead;
217   WORD32 parametric_drc_preset_id_present;
218   WORD32 parametric_drc_preset_id;
219   WORD32 parametric_drc_type;
220   WORD32 len_bit_size;
221   ia_parametric_drc_type_feed_forward_struct
222       str_parametric_drc_type_feed_forward;
223   ia_parametric_drc_lim_struct parametric_drc_lim;
224 
225   WORD32 drc_characteristic;
226   WORD32 disable_paramteric_drc;
227 } ia_parametric_drc_instructions_struct;
228 
229 typedef struct {
230   WORD32 parametric_drc_id;
231   WORD32 side_chain_config_type;
232   WORD32 downmix_id;
233   WORD32 level_estim_channel_weight_format;
234   FLOAT32 level_estim_ch_weight[MAX_CHANNEL_COUNT];
235   WORD32 drc_input_loudness_present;
236   FLOAT32 drc_input_loudness;
237 
238   WORD32 ch_count_from_dwnmix_id;
239 } ia_parametric_drc_gain_set_params_struct;
240 
241 typedef struct {
242   WORD32 drc_location;
243   WORD32 parametric_drc_frame_size_format;
244   WORD32 parametric_drc_frame_size;
245   WORD32 parametric_drc_delay_max_present;
246   WORD32 parametric_drc_delay_max;
247   WORD32 reset_parametric_drc;
248   WORD32 parametric_drc_gain_set_count;
249   ia_parametric_drc_gain_set_params_struct
250       str_parametric_drc_gain_set_params[SEQUENCE_COUNT_MAX];
251 } ia_drc_coeff_parametric_drc_struct;
252 
253 typedef struct {
254   WORD32 base_channel_count;
255   WORD32 layout_signaling_present;
256   WORD32 defined_layout;
257   WORD32 speaker_position[SPEAKER_POS_COUNT_MAX];
258 } ia_channel_layout_struct;
259 
260 typedef struct {
261   WORD32 downmix_id;
262   WORD32 target_channel_count;
263   WORD32 target_layout;
264   WORD32 downmix_coefficients_present;
265   FLOAT32 downmix_coefficient[DOWNMIX_COEFF_COUNT_MAX];
266 } ia_downmix_instructions_struct;
267 
268 typedef struct {
269   WORD32 gain_seq_idx;
270   WORD32 drc_characteristic;
271   WORD32 drc_characteristic_present;
272   WORD32 drc_characteristic_format_is_cicp;
273   WORD32 drc_characteristic_left_index;
274   WORD32 drc_characteristic_right_index;
275   WORD32 crossover_freq_idx;
276   WORD32 start_subband_index;
277 } ia_gain_params_struct;
278 
279 typedef struct {
280   WORD32 ducking_scaling_flag;
281   FLOAT32 ducking_scaling;
282   FLOAT32 ducking_scaling_quantized;
283 } ia_ducking_modifiers_struct;
284 
285 typedef struct {
286   WORD32 target_characteristic_left_present[DRC_BAND_COUNT_MAX];
287   WORD32 target_characteristic_left_index[DRC_BAND_COUNT_MAX];
288   WORD32 target_characteristic_right_present[DRC_BAND_COUNT_MAX];
289   WORD32 target_characteristic_right_index[DRC_BAND_COUNT_MAX];
290   WORD32 shape_filter_flag;
291   WORD32 shape_filter_idx;
292   WORD32 gain_scaling_flag[BAND_COUNT_MAX];
293   FLOAT32 attn_scaling[BAND_COUNT_MAX];
294   FLOAT32 ampl_scaling[BAND_COUNT_MAX];
295   WORD32 gain_offset_flag[BAND_COUNT_MAX];
296   FLOAT32 gain_offset[BAND_COUNT_MAX];
297 } ia_gain_modifiers_struct;
298 
299 typedef struct {
300   WORD32 gain_coding_profile;
301   WORD32 gain_interpolation_type;
302   WORD32 full_frame;
303   WORD32 time_alignment;
304   WORD32 time_delt_min_flag;
305   WORD32 time_delt_min_val;
306   WORD32 band_count;
307   WORD32 drc_band_type;
308   ia_gain_params_struct gain_params[BAND_COUNT_MAX];
309 
310   WORD32 num_gain_max_values;
311   ia_tables_struct str_tables;
312 } ia_gain_set_params_struct;
313 
314 #define SPLIT_CHARACTERISTIC_NODE_COUNT_MAX 4
315 typedef struct {
316   WORD32 characteristic_format;
317   FLOAT32 in_out_ratio;
318   FLOAT32 gain;
319   FLOAT32 exp;
320   WORD32 flip_sign;
321   WORD32 characteristic_node_count;
322   FLOAT32 node_level[SPLIT_CHARACTERISTIC_NODE_COUNT_MAX + 1];
323   FLOAT32 node_gain[SPLIT_CHARACTERISTIC_NODE_COUNT_MAX + 1];
324 } ia_split_drc_characteristic_struct;
325 
326 typedef struct {
327   WORD32 corner_freq_index;
328   WORD32 filter_strength_index;
329 } ia_shape_filter_params_struct;
330 
331 typedef struct {
332   WORD32 lf_cut_filter_present;
333   ia_shape_filter_params_struct str_lf_cut_params;
334   WORD32 lf_boost_filter_present;
335   ia_shape_filter_params_struct str_lf_boost_params;
336   WORD32 hf_cut_filter_present;
337   ia_shape_filter_params_struct str_hfCutParams;
338   WORD32 hf_boost_filter_present;
339   ia_shape_filter_params_struct str_hf_boost_params;
340 } ia_shape_filter_block_params_struct;
341 
342 typedef struct {
343   WORD32 drc_location;
344   WORD32 drc_characteristic;
345 } ia_drc_coefficients_basic_struct;
346 
347 typedef struct {
348   WORD32 version;
349   WORD32 drc_location;
350   WORD32 drc_frame_size_present;
351   WORD32 drc_frame_size;
352   WORD32 gain_set_count;
353   ia_gain_set_params_struct gain_set_params[GAIN_SET_COUNT_MAX];
354   WORD32 drc_characteristic_left_present;
355   WORD32 characteristic_left_count;
356   ia_split_drc_characteristic_struct
357       str_split_characteristic_left[SPLIT_CHARACTERISTIC_COUNT_MAX];
358   WORD32 drc_characteristic_right_present;
359   WORD32 characteristic_right_count;
360   ia_split_drc_characteristic_struct
361       str_split_characteristic_right[SPLIT_CHARACTERISTIC_COUNT_MAX];
362   WORD32 shape_filters_present;
363   WORD32 shape_num_filter;
364   ia_shape_filter_block_params_struct
365       str_shape_filter_block_params[SHAPE_FILTER_COUNT_MAX + 1];
366   WORD32 gain_sequence_count;
367   WORD32 gain_set_params_index_for_gain_sequence[SEQUENCE_COUNT_MAX];
368   WORD32 gain_set_count_plus;
369 
370 } ia_uni_drc_coeffs_struct;
371 
372 typedef struct {
373   WORD32 drc_set_id;
374   WORD32 drc_location;
375   WORD32 dwnmix_id_count;
376   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
377   WORD32 drc_set_effect;
378   WORD32 limiter_peak_target_present;
379   FLOAT32 limiter_peak_target;
380   WORD32 drc_set_target_loudness_present;
381   WORD32 drc_set_target_loudness_value_upper;
382   WORD32 drc_set_target_loudness_value_lower_present;
383   WORD32 drc_set_target_loudness_value_lower;
384 } ia_drc_instructions_basic_struct;
385 
386 typedef struct {
387   WORD32 drc_set_id;
388   WORD32 drc_set_complexity_level;
389   WORD32 requires_eq;
390   WORD32 drc_apply_to_dwnmix;
391   WORD32 drc_location;
392   WORD32 dwnmix_id_count;
393   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
394   WORD32 depends_on_drc_set_present;
395   WORD32 depends_on_drc_set;
396   WORD32 no_independent_use;
397   WORD32 drc_set_effect;
398   WORD32 gain_set_index[MAX_CHANNEL_COUNT];
399   ia_gain_modifiers_struct
400       str_gain_modifiers_of_ch_group[CHANNEL_GROUP_COUNT_MAX];
401   ia_ducking_modifiers_struct
402       str_ducking_modifiers_for_channel[MAX_CHANNEL_COUNT];
403   WORD32 limiter_peak_target_present;
404   FLOAT32 limiter_peak_target;
405   WORD32 drc_set_target_loudness_present;
406   WORD32 drc_set_target_loudness_value_upper;
407   WORD32 drc_set_target_loudness_value_lower_present;
408   WORD32 drc_set_target_loudness_value_lower;
409 
410   WORD32 audio_num_chan;
411   WORD32 num_drc_ch_groups;
412   WORD32 gain_set_index_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
413   WORD32 band_count_of_ch_group[CHANNEL_GROUP_COUNT_MAX];
414   WORD32 gain_interpolation_type_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
415   WORD32 time_delta_min_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
416   WORD32 time_alignment_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
417   ia_ducking_modifiers_struct
418       str_ducking_modifiers_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
419   WORD32 channel_group_of_ch[MAX_CHANNEL_COUNT];
420   WORD32 num_chan_per_ch_group[CHANNEL_GROUP_COUNT_MAX];
421   WORD32 gain_element_count;
422   WORD32 multiband_audio_sig_count;
423   WORD32 ch_group_parametric_drc_flag[CHANNEL_GROUP_COUNT_MAX];
424   WORD32 gain_set_idx_of_ch_group_parametric_drc[CHANNEL_GROUP_COUNT_MAX];
425   WORD32 parametric_drc_look_ahead_samples[CHANNEL_GROUP_COUNT_MAX];
426   WORD32 parametric_drc_look_ahead_samples_max;
427 } ia_drc_instructions_struct;
428 
429 typedef struct {
430   WORD32 method_def;
431   FLOAT32 method_val;
432   WORD32 measurement_system;
433   WORD32 reliability;
434 } ia_loudness_measure_struct;
435 
436 typedef struct {
437   WORD32 drc_set_id;
438   WORD32 eq_set_id;
439   WORD32 downmix_id;
440   WORD32 sample_peak_level_present;
441   FLOAT32 sample_peak_level;
442   WORD32 true_peak_level_present;
443   FLOAT32 true_peak_level;
444   WORD32 true_peak_level_measurement_system;
445   WORD32 true_peak_level_reliability;
446   WORD32 measurement_count;
447   ia_loudness_measure_struct loudness_measure[MEASUREMENT_COUNT_MAX];
448 } ia_loudness_info_struct;
449 
450 typedef struct {
451   WORD32 loud_eq_set_id;
452   WORD32 drc_location;
453   WORD32 dwnmix_id_count;
454   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
455   WORD32 drc_set_id_count;
456   WORD32 drc_set_id[DRC_SET_ID_COUNT_MAX];
457   WORD32 eq_set_id_count;
458   WORD32 eq_set_id[EQ_SET_ID_COUNT_MAX];
459   WORD32 loudness_after_drc;
460   WORD32 loudness_after_eq;
461   WORD32 loud_eq_gain_sequence_count;
462   WORD32 gain_seq_idx[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
463   WORD32 drc_characteristic_format_is_cicp[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
464   WORD32 drc_characteristic[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
465   WORD32 drc_characteristic_left_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
466   WORD32 drc_characteristic_right_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
467   WORD32 frequency_range_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
468   FLOAT32 loud_eq_scaling[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
469   FLOAT32 loud_eq_offset[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
470 } ia_loud_eq_instructions_struct;
471 
472 typedef struct {
473   WORD32 filt_ele_idx;
474   WORD32 filt_ele_gain_flag;
475   FLOAT32 filt_ele_gain;
476 } ia_filt_ele_struct;
477 
478 typedef struct {
479   WORD32 filter_element_count;
480   ia_filt_ele_struct str_filter_element[FILTER_ELEMENT_COUNT_MAX];
481 } ia_filt_block_struct;
482 
483 typedef struct {
484   WORD32 eq_filter_format;
485   WORD32 bs_real_zero_radius_one_count;
486   WORD32 real_zero_count;
487   WORD32 generic_zero_count;
488   WORD32 real_pole_count;
489   WORD32 cmplx_pole_count;
490   WORD32 zero_sign[REAL_ZERO_RADIUS_ONE_COUNT_MAX];
491   FLOAT32 real_zero_radius[REAL_ZERO_COUNT_MAX];
492   FLOAT32 generic_zero_radius[COMPLEX_ZERO_COUNT_MAX];
493   FLOAT32 generic_zero_angle[COMPLEX_ZERO_COUNT_MAX];
494   FLOAT32 real_pole_radius[REAL_POLE_COUNT_MAX];
495   FLOAT32 complex_pole_radius[COMPLEX_POLE_COUNT_MAX];
496   FLOAT32 complex_pole_angle[COMPLEX_POLE_COUNT_MAX];
497   WORD32 fir_filt_order;
498   WORD32 fir_symmetry;
499   FLOAT32 fir_coeff[FIR_ORDER_MAX / 2];
500 } ia_unique_td_filt_element;
501 
502 typedef struct {
503   WORD32 num_eq_nodes;
504   FLOAT32 eq_slope[EQ_NODE_COUNT_MAX];
505   WORD32 eq_freq_delta[EQ_NODE_COUNT_MAX];
506   FLOAT32 eq_gain_initial;
507   FLOAT32 eq_gain_delta[EQ_NODE_COUNT_MAX];
508 } ia_eq_subband_gain_spline_struct;
509 
510 typedef struct {
511   FLOAT32 eq_subband_gain[EQ_SUBBAND_GAIN_COUNT_MAX];
512 } ia_eq_subband_gain_vector;
513 
514 typedef struct {
515   WORD32 eq_delay_max_present;
516   WORD32 eq_delay_max;
517   WORD32 unique_filter_block_count;
518   ia_filt_block_struct str_filter_block[FILTER_BLOCK_COUNT_MAX];
519   WORD32 unique_td_filter_element_count;
520   ia_unique_td_filt_element unique_td_filt_ele[FILTER_ELEMENT_COUNT_MAX];
521   WORD32 unique_eq_subband_gains_count;
522   WORD32 eq_subband_gain_representation;
523   WORD32 eq_subband_gain_format;
524   WORD32 eq_subband_gain_count;
525   ia_eq_subband_gain_spline_struct
526       str_eq_subband_gain_spline[UNIQUE_SUBBAND_GAIN_COUNT_MAX];
527   ia_eq_subband_gain_vector
528       str_eq_subband_gain_vector[UNIQUE_SUBBAND_GAIN_COUNT_MAX];
529 } ia_eq_coeff_struct;
530 
531 typedef struct {
532   WORD32 filter_block_count;
533   WORD32 filter_block_index[EQ_FILTER_BLOCK_COUNT_MAX];
534 } ia_filter_block_refs_struct;
535 
536 typedef struct {
537   WORD32 eq_cascade_gain_present[EQ_CHANNEL_GROUP_COUNT_MAX];
538   FLOAT32 eq_cascade_gain[EQ_CHANNEL_GROUP_COUNT_MAX];
539   ia_filter_block_refs_struct str_filter_block_refs[EQ_CHANNEL_GROUP_COUNT_MAX];
540   WORD32 eq_phase_alignment_present;
541   WORD32 eq_phase_alignment[EQ_CHANNEL_GROUP_COUNT_MAX]
542                            [EQ_CHANNEL_GROUP_COUNT_MAX];
543 } ia_td_filter_cascade_struct;
544 
545 typedef struct {
546   WORD32 eq_set_id;
547   WORD32 eq_set_complexity_level;
548   WORD32 dwnmix_id_count;
549   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
550   WORD32 eq_apply_to_downmix;
551   WORD32 drc_set_id_count;
552   WORD32 drc_set_id[DRC_SET_ID_COUNT_MAX];
553   WORD32 eq_set_purpose;
554   WORD32 depends_on_eq_set_present;
555   WORD32 depends_on_eq_set;
556   WORD32 no_independent_eq_use;
557   WORD32 eq_channel_count;
558   WORD32 eq_ch_group_count;
559   WORD32 eq_ch_group_of_channel[MAX_CHANNEL_COUNT];
560   WORD32 td_filter_cascade_present;
561   ia_td_filter_cascade_struct str_td_filter_cascade;
562   WORD32 subband_gains_present;
563   WORD32 subband_gains_index[EQ_CHANNEL_GROUP_COUNT_MAX];
564   WORD32 eq_transition_duration_present;
565   WORD32 eq_transition_duration;
566 } ia_eq_instructions_struct;
567 
568 typedef struct {
569   WORD32 drc_config_ext_type[EXT_COUNT_MAX];
570   WORD32 ext_bit_size[EXT_COUNT_MAX - 1];
571 
572   WORD32 parametric_drc_present;
573   ia_drc_coeff_parametric_drc_struct str_drc_coeff_param_drc;
574   WORD32 parametric_drc_instructions_count;
575   ia_parametric_drc_instructions_struct
576       str_parametric_drc_instructions[PARAM_DRC_INSTRUCTIONS_COUNT_MAX];
577   WORD32 drc_extension_v1_present;
578   WORD32 loud_eq_instructions_flag;
579   WORD32 loud_eq_instructions_count;
580   ia_loud_eq_instructions_struct
581       loud_eq_instructions[LOUD_EQ_INSTRUCTIONS_COUNT_MAX];
582   WORD32 eq_flag;
583   ia_eq_coeff_struct str_eq_coeff;
584   WORD32 eq_instructions_count;
585   ia_eq_instructions_struct str_eq_instructions[EQ_INSTRUCTIONS_COUNT_MAX];
586 } ia_drc_config_ext;
587 
588 typedef struct ia_drc_config {
589   WORD32 sample_rate_present;
590   WORD32 sampling_rate;
591   WORD32 dwnmix_instructions_count;
592   WORD32 drc_coefficients_drc_count;
593   WORD32 drc_instructions_uni_drc_count;
594   WORD32 drc_instructions_count_plus;
595   WORD32 drc_description_basic_present;
596   WORD32 drc_coefficients_basic_count;
597   WORD32 drc_instructions_basic_count;
598   WORD32 drc_config_ext_present;
599   WORD32 apply_drc;
600   ia_drc_config_ext str_drc_config_ext;
601   ia_drc_coefficients_basic_struct
602       str_drc_coefficients_basic[DRC_COEFF_COUNT_MAX];
603   ia_drc_instructions_basic_struct
604       str_drc_instructions_basic[DRC_INSTRUCTIONS_COUNT_MAX];
605   ia_uni_drc_coeffs_struct
606       str_p_loc_drc_coefficients_uni_drc[DRC_COEFF_COUNT_MAX];
607   ia_drc_instructions_struct
608       str_drc_instruction_str[DRC_INSTRUCTIONS_COUNT_MAX];
609   ia_channel_layout_struct channel_layout;
610   ia_downmix_instructions_struct
611       dwnmix_instructions[DOWNMIX_INSTRUCTION_COUNT_MAX];
612 } ia_drc_config;
613 
614 typedef struct {
615   WORD32 loudness_info_set_ext_type[EXT_COUNT_MAX];
616   WORD32 ext_bit_size[EXT_COUNT_MAX - 1];
617 } ia_loudness_info_set_ext_struct;
618 
619 typedef struct ia_drc_loudness_info_set_struct {
620   WORD32 loudness_info_album_count;
621   WORD32 loudness_info_count;
622   WORD32 loudness_info_set_ext_present;
623   ia_loudness_info_struct str_loudness_info_album[LOUDNESS_INFO_COUNT_MAX];
624   ia_loudness_info_struct loudness_info[LOUDNESS_INFO_COUNT_MAX];
625   ia_loudness_info_set_ext_struct str_loudness_info_set_ext;
626 } ia_drc_loudness_info_set_struct;
627 
628 typedef struct {
629   FLOAT32 loc_db_gain;
630   FLOAT32 slope;
631   WORD32 time;
632 } ia_node_struct;
633 
634 typedef struct {
635   WORD32 drc_gain_coding_mode;
636   WORD32 num_nodes;
637   ia_node_struct str_node[NODE_COUNT_MAX];
638 } ia_spline_nodes_struct;
639 
640 typedef struct {
641   ia_spline_nodes_struct str_spline_nodes[1];
642 } ia_drc_gain_sequence_struct;
643 
644 typedef struct {
645   WORD32 uni_drc_gain_ext_type[EXT_COUNT_MAX];
646   WORD32 ext_bit_size[EXT_COUNT_MAX - 1];
647 } ia_uni_drc_gain_ext_struct;
648 
649 typedef struct ia_drc_gain_struct {
650   WORD32 num_drc_gain_sequences;
651   ia_drc_gain_sequence_struct drc_gain_sequence[SEQUENCE_COUNT_MAX];
652   WORD32 uni_drc_gain_ext_flag;
653   ia_uni_drc_gain_ext_struct uni_drc_gain_ext;
654 } ia_drc_gain_struct;
655 
656 typedef struct {
657   WORD32 delta_tmin_default;
658   WORD32 drc_frame_size;
659   WORD32 num_gain_values_max_default;
660   WORD32 delay_mode;
661   WORD32 lfe_channel_map_count;
662   WORD32 lfe_channel_map[MAX_CHANNEL_COUNT];
663 } ia_drc_params_bs_dec_struct;
664 
665 typedef struct ia_drc_bits_dec_struct {
666   ia_tables_struct tables_default;
667   ia_drc_params_bs_dec_struct ia_drc_params_struct;
668 
669 } ia_drc_bits_dec_struct;
670 
671 #ifdef __cplusplus
672 }
673 #endif
674 #endif
675