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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 IXHEAACD_CONFIG_H
     21 #define IXHEAACD_CONFIG_H
     22 
     23 #define USAC_MAX_ELEMENTS (16)
     24 
     25 #define USAC_MAX_CONFIG_EXTENSIONS (16)
     26 
     27 #define ID_USAC_SCE 0
     28 #define ID_USAC_CPE 1
     29 #define ID_USAC_LFE 2
     30 #define ID_USAC_EXT 3
     31 #define ID_USAC_INVALID 0xFF
     32 
     33 #define USAC_SBR_RATIO_NO_SBR 0
     34 #define USAC_SBR_RATIO_INDEX_2_1 1
     35 #define USAC_SBR_RATIO_INDEX_8_3 2
     36 #define USAC_SBR_RATIO_INDEX_4_1 3
     37 
     38 #define USAC_OUT_FRAMELENGTH_768 768
     39 #define USAC_OUT_FRAMELENGTH_1024 1024
     40 #define USAC_OUT_FRAMELENGTH_2048 2048
     41 #define USAC_OUT_FRAMELENGTH_4096 4096
     42 
     43 #define ID_EXT_ELE_FILL 0
     44 #define ID_EXT_ELE_MPEGS 1
     45 #define ID_EXT_ELE_SAOC 2
     46 #define ID_EXT_ELE_AUDIOPREROLL 3
     47 #define ID_EXT_ELE_UNI_DRC 4
     48 
     49 #define ID_CONFIG_EXT_FILL 0
     50 #define ID_CONFIG_EXT_LOUDNESS_INFO (2)
     51 
     52 typedef UWORD8 UINT8;
     53 typedef UWORD32 UINT32;
     54 
     55 typedef struct {
     56   UINT32 harmonic_sbr;
     57   UINT32 bs_inter_tes;
     58   UINT32 bs_pvc;
     59   WORD16 dflt_start_freq;
     60   WORD16 dflt_stop_freq;
     61   WORD16 dflt_header_extra1;
     62   WORD16 dflt_header_extra2;
     63   WORD16 dflt_freq_scale;
     64   WORD16 dflt_alter_scale;
     65   WORD16 dflt_noise_bands;
     66   WORD16 dflt_limiter_bands;
     67   WORD16 dflt_limiter_gains;
     68   WORD16 dflt_interpol_freq;
     69   WORD16 dflt_smoothing_mode;
     70 } ia_usac_dec_sbr_config_struct;
     71 
     72 typedef struct {
     73   UINT32 bs_freq_res;
     74   UINT32 bs_fixed_gain_dmx;
     75   UINT32 bs_temp_shape_config;
     76   UINT32 bs_decorr_config;
     77   UINT32 bs_high_rate_mode;
     78   UINT32 bs_phase_coding;
     79   UINT32 bs_ott_bands_phase_present;
     80   UINT32 bs_ott_bands_phase;
     81   UINT32 bs_residual_bands;
     82   UINT32 bs_pseudo_lr;
     83   UINT32 bs_env_quant_mode;
     84 } ia_usac_dec_mps_config_struct;
     85 
     86 #define BS_OUTPUT_CHANNEL_POS_NA -1   /* n/a                                */
     87 #define BS_OUTPUT_CHANNEL_POS_L 0     /* Left Front                          */
     88 #define BS_OUTPUT_CHANNEL_POS_R 1     /* Right Front                         */
     89 #define BS_OUTPUT_CHANNEL_POS_C 2     /* Center Front                        */
     90 #define BS_OUTPUT_CHANNEL_POS_LFE 3   /* Low Frequency Enhancement           */
     91 #define BS_OUTPUT_CHANNEL_POS_LS 4    /* Left Surround                       */
     92 #define BS_OUTPUT_CHANNEL_POS_RS 5    /* Right Surround                      */
     93 #define BS_OUTPUT_CHANNEL_POS_LC 6    /* Left Front Center                   */
     94 #define BS_OUTPUT_CHANNEL_POS_RC 7    /* Right Front Center                  */
     95 #define BS_OUTPUT_CHANNEL_POS_LSR 8   /* Rear Surround Left                  */
     96 #define BS_OUTPUT_CHANNEL_POS_RSR 9   /* Rear Surround Right                 */
     97 #define BS_OUTPUT_CHANNEL_POS_CS 10   /* Rear Center                         */
     98 #define BS_OUTPUT_CHANNEL_POS_LSD 11  /* Left Surround Direct                */
     99 #define BS_OUTPUT_CHANNEL_POS_RSD 12  /* Right Surround Direct               */
    100 #define BS_OUTPUT_CHANNEL_POS_LSS 13  /* Left Side Surround                  */
    101 #define BS_OUTPUT_CHANNEL_POS_RSS 14  /* Right Side Surround                 */
    102 #define BS_OUTPUT_CHANNEL_POS_LW 15   /* Left Wide Front                     */
    103 #define BS_OUTPUT_CHANNEL_POS_RW 16   /* Right Wide Front                    */
    104 #define BS_OUTPUT_CHANNEL_POS_LV 17   /* Left Front Vertical Height          */
    105 #define BS_OUTPUT_CHANNEL_POS_RV 18   /* Right Front Vertical Height         */
    106 #define BS_OUTPUT_CHANNEL_POS_CV 19   /* Center Front Vertical Height        */
    107 #define BS_OUTPUT_CHANNEL_POS_LVR 20  /* Left Surround Vertical Height Rear  */
    108 #define BS_OUTPUT_CHANNEL_POS_RVR 21  /* Right Surround Vertical Height Rear */
    109 #define BS_OUTPUT_CHANNEL_POS_CVR 22  /* Center Vertical Height Rear         */
    110 #define BS_OUTPUT_CHANNEL_POS_LVSS 23 /* Left Vertical Height Side Surround */
    111 #define BS_OUTPUT_CHANNEL_POS_RVSS                                             \
    112   24                                /* Right Vertical Height Side Surround \ \ \
    113                                        */
    114 #define BS_OUTPUT_CHANNEL_POS_TS 25 /* Top Center Surround                 */
    115 #define BS_OUTPUT_CHANNEL_POS_LFE2 26 /* Low Frequency Enhancement 2 */
    116 #define BS_OUTPUT_CHANNEL_POS_LB 27   /* Left Front Vertical Bottom          */
    117 #define BS_OUTPUT_CHANNEL_POS_RB 28   /* Right Front Vertical Bottom         */
    118 #define BS_OUTPUT_CHANNEL_POS_CB 29   /* Center Front Vertical Bottom        */
    119 #define BS_OUTPUT_CHANNEL_POS_LVS 30  /* Left Vertical Height Surround       */
    120 #define BS_OUTPUT_CHANNEL_POS_RVS 31  /* Right Vertical Height Surround      */
    121 
    122 #define BS_MAX_NUM_OUT_CHANNELS (255)
    123 
    124 #define EXT_COUNT_MAX (2)
    125 #define MAX_CHANNEL_COUNT (128)
    126 #define SEQUENCE_COUNT_MAX (24)
    127 #define PARAM_DRC_TYPE_FF_NODE_COUNT_MAX (9)
    128 #define PARAM_DRC_INSTRUCTIONS_COUNT_MAX (8)
    129 #define DOWNMIX_ID_COUNT_MAX (8)
    130 #define DRC_SET_ID_COUNT_MAX (16)
    131 #define EQ_SET_ID_COUNT_MAX (8)
    132 #define LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX (4)
    133 #define LOUD_EQ_INSTRUCTIONS_COUNT_MAX (8)
    134 #define FILTER_ELEMENT_COUNT_MAX (16)
    135 #define FILTER_BLOCK_COUNT_MAX (16)
    136 #define REAL_ZERO_RADIUS_ONE_COUNT_MAX (14)
    137 #define REAL_ZERO_COUNT_MAX (64)
    138 #define COMPLEX_ZERO_COUNT_MAX (64)
    139 #define REAL_POLE_COUNT_MAX (16)
    140 #define COMPLEX_POLE_COUNT_MAX (16)
    141 #define FIR_ORDER_MAX (128)
    142 #define EQ_NODE_COUNT_MAX (33)
    143 #define UNIQUE_SUBBAND_GAIN_COUNT_MAX (16)
    144 #define EQ_SUBBAND_GAIN_COUNT_MAX (135)
    145 #define EQ_CHANNEL_GROUP_COUNT_MAX (4)
    146 #define EQ_FILTER_BLOCK_COUNT_MAX (4)
    147 #define EQ_INSTRUCTIONS_COUNT_MAX (8)
    148 #define DRC_COEFF_COUNT_MAX (8)
    149 #define DOWNMIX_INSTRUCTION_COUNT_MAX (16)
    150 #define DRC_INSTRUCTIONS_COUNT_MAX (DOWNMIX_INSTRUCTION_COUNT_MAX + 20)
    151 #define BAND_COUNT_MAX (8)
    152 
    153 #define N_DELTA_TIME_CODE_TABLE_ENTRIES_MAX (512 + 14)
    154 #define GAIN_SET_COUNT_MAX SEQUENCE_COUNT_MAX
    155 #define SPLIT_CHARACTERISTIC_NODE_COUNT_MAX (4)
    156 #define SPLIT_CHARACTERISTIC_COUNT_MAX (8)
    157 #define SHAPE_FILTER_COUNT_MAX (8)
    158 #define CHANNEL_GROUP_COUNT_MAX SEQUENCE_COUNT_MAX
    159 #define DRC_BAND_COUNT_MAX BAND_COUNT_MAX
    160 #define SPEAKER_POS_COUNT_MAX (128)
    161 #define DOWNMIX_COEFF_COUNT_MAX (32 * 32)
    162 
    163 typedef struct {
    164   UINT32 tw_mdct;
    165   UINT32 noise_filling;
    166   UINT32 stereo_config_index;
    167 
    168   UINT32 usac_ext_eleme_def_len;
    169   UINT32 usac_ext_elem_pld_frag;
    170 
    171   ia_usac_dec_sbr_config_struct str_usac_sbr_config;
    172   ia_usac_dec_mps_config_struct str_usac_mps212_config;
    173 
    174 } ia_usac_dec_element_config_struct;
    175 
    176 typedef struct {
    177   UWORD32 num_elements;
    178   UWORD32 num_config_extensions;
    179   UWORD32 usac_element_type[USAC_MAX_ELEMENTS];
    180   ia_usac_dec_element_config_struct str_usac_element_config[USAC_MAX_ELEMENTS];
    181 
    182   WORD32 usac_cfg_ext_info_present[USAC_MAX_CONFIG_EXTENSIONS];
    183   WORD32 usac_ext_ele_payload_present[USAC_MAX_ELEMENTS];
    184   WORD32 usac_cfg_ext_info_len[USAC_MAX_CONFIG_EXTENSIONS];
    185   WORD32 usac_ext_ele_payload_len[USAC_MAX_ELEMENTS];
    186   WORD32 usac_ext_gain_payload_len;
    187   UWORD8 usac_cfg_ext_info_buf[USAC_MAX_CONFIG_EXTENSIONS][768];
    188   UWORD8 usac_ext_ele_payload_buf[USAC_MAX_ELEMENTS][768];
    189   UWORD8 usac_ext_gain_payload_buf[768];
    190 
    191   WORD32 preroll_flag;
    192 
    193 } ia_usac_decoder_config_struct;
    194 
    195 typedef struct {
    196   UINT32 usac_sampling_frequency_index;
    197   UINT32 usac_sampling_frequency;
    198   UINT32 core_sbr_framelength_index;
    199   UINT32 channel_configuration_index;
    200 
    201   UINT32 num_out_channels;
    202   UINT32 output_channel_pos[BS_MAX_NUM_OUT_CHANNELS];
    203   ia_usac_decoder_config_struct str_usac_dec_config;
    204 
    205 } ia_usac_config_struct;
    206 
    207 typedef struct {
    208   WORD32 parametric_lim_threshold_present;
    209   FLOAT32 parametric_lim_threshold;
    210   WORD32 parametric_lim_attack;
    211   WORD32 parametric_lim_release_present;
    212   WORD32 parametric_lim_release;
    213   WORD32 drc_characteristic;
    214 
    215   WORD32 disable_paramteric_drc;
    216 } ia_parametric_drc_lim_struct;
    217 typedef struct {
    218   WORD32 level_estim_k_weighting_type;
    219   WORD32 level_estim_integration_time_present;
    220   WORD32 level_estim_integration_time;
    221   WORD32 drc_curve_definition_type;
    222   WORD32 drc_characteristic;
    223   WORD32 node_count;
    224   WORD32 node_level[PARAM_DRC_TYPE_FF_NODE_COUNT_MAX];
    225   WORD32 node_gain[PARAM_DRC_TYPE_FF_NODE_COUNT_MAX];
    226   WORD32 drc_gain_smooth_parameters_present;
    227   WORD32 gain_smooth_attack_time_slow;
    228   WORD32 gain_smooth_release_time_slow;
    229   WORD32 gain_smooth_time_fast_present;
    230   WORD32 gain_smooth_attack_time_fast;
    231   WORD32 gain_smooth_release_time_fast;
    232   WORD32 gain_smooth_threshold_present;
    233   WORD32 gain_smooth_attack_threshold;
    234   WORD32 gain_smooth_rel_threshold;
    235   WORD32 gain_smooth_hold_off_count_present;
    236   WORD32 gain_smooth_hold_off;
    237 
    238   WORD32 disable_paramteric_drc;
    239 } ia_parametric_drc_type_feed_forward_struct;
    240 typedef struct {
    241   WORD32 parametric_drc_id;
    242   WORD32 parametric_drc_look_ahead_flag;
    243   WORD32 parametric_drc_look_ahead;
    244   WORD32 parametric_drc_preset_id_present;
    245   WORD32 parametric_drc_preset_id;
    246   WORD32 parametric_drc_type;
    247   WORD32 len_bit_size;
    248   ia_parametric_drc_type_feed_forward_struct
    249       str_parametric_drc_type_feed_forward;
    250   ia_parametric_drc_lim_struct parametric_drc_lim;
    251 
    252   WORD32 drc_characteristic;
    253   WORD32 disable_paramteric_drc;
    254 } ia_parametric_drc_instructions_struct;
    255 
    256 typedef struct {
    257   WORD32 parametric_drc_id;
    258   WORD32 side_chain_config_type;
    259   WORD32 downmix_id;
    260   WORD32 level_estim_channel_weight_format;
    261   FLOAT32 level_estim_ch_weight[MAX_CHANNEL_COUNT];
    262   WORD32 drc_input_loudness_present;
    263   FLOAT32 drc_input_loudness;
    264 
    265   WORD32 ch_count_from_dwnmix_id;
    266 } ia_parametric_drc_gain_set_params_struct;
    267 
    268 typedef struct {
    269   WORD32 drc_location;
    270   WORD32 parametric_drc_frame_size_format;
    271   WORD32 parametric_drc_frame_size;
    272   WORD32 parametric_drc_delay_max_present;
    273   WORD32 parametric_drc_delay_max;
    274   WORD32 reset_parametric_drc;
    275   WORD32 parametric_drc_gain_set_count;
    276   ia_parametric_drc_gain_set_params_struct
    277       str_parametric_drc_gain_set_params[SEQUENCE_COUNT_MAX];
    278 } ia_drc_coeff_parametric_drc_struct;
    279 
    280 typedef struct {
    281   WORD32 loud_eq_set_id;
    282   WORD32 drc_location;
    283   WORD32 dwnmix_id_count;
    284   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
    285   WORD32 drc_set_id_count;
    286   WORD32 drc_set_id[DRC_SET_ID_COUNT_MAX];
    287   WORD32 eq_set_id_count;
    288   WORD32 eq_set_id[EQ_SET_ID_COUNT_MAX];
    289   WORD32 loudness_after_drc;
    290   WORD32 loudness_after_eq;
    291   WORD32 loud_eq_gain_sequence_count;
    292   WORD32 gain_seq_idx[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    293   WORD32 drc_characteristic_format_is_cicp[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    294   WORD32 drc_characteristic[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    295   WORD32 drc_characteristic_left_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    296   WORD32 drc_characteristic_right_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    297   WORD32 frequency_range_index[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    298   FLOAT32 loud_eq_scaling[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    299   FLOAT32 loud_eq_offset[LOUD_EQ_GAIN_SEQUENCE_COUNT_MAX];
    300 } ia_loud_eq_instructions_struct;
    301 
    302 typedef struct {
    303   WORD32 filt_ele_idx;
    304   WORD32 filt_ele_gain_flag;
    305   FLOAT32 filt_ele_gain;
    306 } ia_filt_ele_struct;
    307 
    308 typedef struct {
    309   WORD32 filter_element_count;
    310   ia_filt_ele_struct str_filter_element[FILTER_ELEMENT_COUNT_MAX];
    311 } ia_filt_block_struct;
    312 
    313 typedef struct {
    314   WORD32 eq_filter_format;
    315   WORD32 bs_real_zero_radius_one_count;
    316   WORD32 real_zero_count;
    317   WORD32 generic_zero_count;
    318   WORD32 real_pole_count;
    319   WORD32 cmplx_pole_count;
    320   WORD32 zero_sign[REAL_ZERO_RADIUS_ONE_COUNT_MAX];
    321   FLOAT32 real_zero_radius[REAL_ZERO_COUNT_MAX];
    322   FLOAT32 generic_zero_radius[COMPLEX_ZERO_COUNT_MAX];
    323   FLOAT32 generic_zero_angle[COMPLEX_ZERO_COUNT_MAX];
    324   FLOAT32 real_pole_radius[REAL_POLE_COUNT_MAX];
    325   FLOAT32 complex_pole_radius[COMPLEX_POLE_COUNT_MAX];
    326   FLOAT32 complex_pole_angle[COMPLEX_POLE_COUNT_MAX];
    327   WORD32 fir_filt_order;
    328   WORD32 fir_symmetry;
    329   FLOAT32 fir_coeff[FIR_ORDER_MAX / 2];
    330 } ia_unique_td_filt_element;
    331 typedef struct {
    332   WORD32 num_eq_nodes;
    333   FLOAT32 eq_slope[EQ_NODE_COUNT_MAX];
    334   WORD32 eq_freq_delta[EQ_NODE_COUNT_MAX];
    335   FLOAT32 eq_gain_initial;
    336   FLOAT32 eq_gain_delta[EQ_NODE_COUNT_MAX];
    337 } ia_eq_subband_gain_spline_struct;
    338 typedef struct {
    339   FLOAT32 eq_subband_gain[EQ_SUBBAND_GAIN_COUNT_MAX];
    340 } ia_eq_subband_gain_vector;
    341 typedef struct {
    342   WORD32 eq_delay_max_present;
    343   WORD32 eq_delay_max;
    344   WORD32 unique_filter_block_count;
    345   ia_filt_block_struct str_filter_block[FILTER_BLOCK_COUNT_MAX];
    346   WORD32 unique_td_filter_element_count;
    347   ia_unique_td_filt_element unique_td_filt_ele[FILTER_ELEMENT_COUNT_MAX];
    348   WORD32 unique_eq_subband_gains_count;
    349   WORD32 eq_subband_gain_representation;
    350   WORD32 eq_subband_gain_format;
    351   WORD32 eq_subband_gain_count;
    352   ia_eq_subband_gain_spline_struct
    353       str_eq_subband_gain_spline[UNIQUE_SUBBAND_GAIN_COUNT_MAX];
    354   ia_eq_subband_gain_vector
    355       str_eq_subband_gain_vector[UNIQUE_SUBBAND_GAIN_COUNT_MAX];
    356 } ia_eq_coeff_struct;
    357 typedef struct {
    358   WORD32 filter_block_count;
    359   WORD32 filter_block_index[EQ_FILTER_BLOCK_COUNT_MAX];
    360 } ia_filter_block_refs_struct;
    361 typedef struct {
    362   WORD32 eq_cascade_gain_present[EQ_CHANNEL_GROUP_COUNT_MAX];
    363   FLOAT32 eq_cascade_gain[EQ_CHANNEL_GROUP_COUNT_MAX];
    364   ia_filter_block_refs_struct str_filter_block_refs[EQ_CHANNEL_GROUP_COUNT_MAX];
    365   WORD32 eq_phase_alignment_present;
    366   WORD32 eq_phase_alignment[EQ_CHANNEL_GROUP_COUNT_MAX]
    367                            [EQ_CHANNEL_GROUP_COUNT_MAX];
    368 } ia_td_filter_cascade_struct;
    369 
    370 typedef struct {
    371   WORD32 eq_set_id;
    372   WORD32 eq_set_complexity_level;
    373   WORD32 dwnmix_id_count;
    374   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
    375   WORD32 eq_apply_to_downmix;
    376   WORD32 drc_set_id_count;
    377   WORD32 drc_set_id[DRC_SET_ID_COUNT_MAX];
    378   WORD32 eq_set_purpose;
    379   WORD32 depends_on_eq_set_present;
    380   WORD32 depends_on_eq_set;
    381   WORD32 no_independent_eq_use;
    382   WORD32 eq_channel_count;
    383   WORD32 eq_ch_group_count;
    384   WORD32 eq_ch_group_of_channel[MAX_CHANNEL_COUNT];
    385   WORD32 td_filter_cascade_present;
    386   ia_td_filter_cascade_struct str_td_filter_cascade;
    387   WORD32 subband_gains_present;
    388   WORD32 subband_gains_index[EQ_CHANNEL_GROUP_COUNT_MAX];
    389   WORD32 eq_transition_duration_present;
    390   WORD32 eq_transition_duration;
    391 } ia_eq_instructions_struct;
    392 
    393 typedef struct {
    394   WORD32 drc_config_ext_type[EXT_COUNT_MAX];
    395   WORD32 ext_bit_size[EXT_COUNT_MAX - 1];
    396 
    397   WORD32 parametric_drc_present;
    398   ia_drc_coeff_parametric_drc_struct str_drc_coeff_param_drc;
    399   WORD32 parametric_drc_instructions_count;
    400   ia_parametric_drc_instructions_struct
    401       str_parametric_drc_instructions[PARAM_DRC_INSTRUCTIONS_COUNT_MAX];
    402   WORD32 drc_extension_v1_present;
    403   WORD32 loud_eq_instructions_flag;
    404   WORD32 loud_eq_instructions_count;
    405   ia_loud_eq_instructions_struct
    406       loud_eq_instructions[LOUD_EQ_INSTRUCTIONS_COUNT_MAX];
    407   WORD32 eq_flag;
    408   ia_eq_coeff_struct str_eq_coeff;
    409   WORD32 eq_instructions_count;
    410   ia_eq_instructions_struct str_eq_instructions[EQ_INSTRUCTIONS_COUNT_MAX];
    411 } ia_drc_config_ext;
    412 
    413 typedef struct {
    414   WORD32 drc_location;
    415   WORD32 drc_characteristic;
    416 } ia_drc_coefficients_basic_struct;
    417 
    418 typedef struct {
    419   WORD32 drc_set_id;
    420   WORD32 drc_location;
    421   WORD32 dwnmix_id_count;
    422   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
    423   WORD32 drc_set_effect;
    424   WORD32 limiter_peak_target_present;
    425   FLOAT32 limiter_peak_target;
    426   WORD32 drc_set_target_loudness_present;
    427   WORD32 drc_set_target_loudness_value_upper;
    428   WORD32 drc_set_target_loudness_value_lower_present;
    429   WORD32 drc_set_target_loudness_value_lower;
    430 } ia_drc_instructions_basic_struct;
    431 
    432 typedef struct {
    433   WORD32 gain_seq_idx;
    434   WORD32 drc_characteristic;
    435   WORD32 drc_characteristic_present;
    436   WORD32 drc_characteristic_format_is_cicp;
    437   WORD32 drc_characteristic_left_index;
    438   WORD32 drc_characteristic_right_index;
    439   WORD32 crossover_freq_idx;
    440   WORD32 start_subband_index;
    441 } ia_gain_params_struct;
    442 typedef struct {
    443   WORD32 size;
    444   WORD32 code;
    445   WORD32 value;
    446 } ia_delta_time_code_table_entry_struct;
    447 typedef struct {
    448   ia_delta_time_code_table_entry_struct
    449       delta_time_code_table[N_DELTA_TIME_CODE_TABLE_ENTRIES_MAX];
    450 } ia_tables_struct;
    451 
    452 typedef struct {
    453   WORD32 gain_coding_profile;
    454   WORD32 gain_interpolation_type;
    455   WORD32 full_frame;
    456   WORD32 time_alignment;
    457   WORD32 time_delt_min_flag;
    458   WORD32 time_delt_min_val;
    459   WORD32 band_count;
    460   WORD32 drc_band_type;
    461   ia_gain_params_struct gain_params[BAND_COUNT_MAX];
    462 
    463   WORD32 num_gain_max_values;
    464   ia_tables_struct str_tables;
    465 } ia_gain_set_params_struct;
    466 
    467 typedef struct {
    468   WORD32 characteristic_format;
    469   FLOAT32 in_out_ratio;
    470   FLOAT32 gain;
    471   FLOAT32 exp;
    472   WORD32 flip_sign;
    473   WORD32 characteristic_node_count;
    474   FLOAT32 node_level[SPLIT_CHARACTERISTIC_NODE_COUNT_MAX + 1];
    475   FLOAT32 node_gain[SPLIT_CHARACTERISTIC_NODE_COUNT_MAX + 1];
    476 } ia_split_drc_characteristic_struct;
    477 
    478 typedef struct {
    479   WORD32 corner_freq_index;
    480   WORD32 filter_strength_index;
    481 } ia_shape_filter_params_struct;
    482 
    483 typedef struct {
    484   WORD32 lf_cut_filter_present;
    485   ia_shape_filter_params_struct str_lf_cut_params;
    486   WORD32 lf_boost_filter_present;
    487   ia_shape_filter_params_struct str_lf_boost_params;
    488   WORD32 hf_cut_filter_present;
    489   ia_shape_filter_params_struct str_hf_cut_params;
    490   WORD32 hf_boost_filter_present;
    491   ia_shape_filter_params_struct str_hf_boost_params;
    492 } ia_shape_filter_block_params_struct;
    493 
    494 typedef struct {
    495   WORD32 version;
    496   WORD32 drc_location;
    497   WORD32 drc_frame_size_present;
    498   WORD32 drc_frame_size;
    499   WORD32 gain_set_count;
    500   ia_gain_set_params_struct gain_set_params[GAIN_SET_COUNT_MAX];
    501   WORD32 drc_characteristic_left_present;
    502   WORD32 characteristic_left_count;
    503   ia_split_drc_characteristic_struct
    504       str_split_characteristic_left[SPLIT_CHARACTERISTIC_COUNT_MAX];
    505   WORD32 drc_characteristic_right_present;
    506   WORD32 characteristic_right_count;
    507   ia_split_drc_characteristic_struct
    508       str_split_characteristic_right[SPLIT_CHARACTERISTIC_COUNT_MAX];
    509   WORD32 shape_filters_present;
    510   WORD32 shape_num_filter;
    511   ia_shape_filter_block_params_struct
    512       str_shape_filter_block_params[SHAPE_FILTER_COUNT_MAX + 1];
    513   WORD32 gain_sequence_count;
    514   WORD32 gain_set_params_index_for_gain_sequence[SEQUENCE_COUNT_MAX];
    515   WORD32 gain_set_count_plus;
    516 
    517 } ia_uni_drc_coeffs_struct;
    518 
    519 typedef struct {
    520   WORD32 target_characteristic_left_present[DRC_BAND_COUNT_MAX];
    521   WORD32 target_characteristic_left_index[DRC_BAND_COUNT_MAX];
    522   WORD32 target_characteristic_right_present[DRC_BAND_COUNT_MAX];
    523   WORD32 target_characteristic_right_index[DRC_BAND_COUNT_MAX];
    524   WORD32 shape_filter_flag;
    525   WORD32 shape_filter_idx;
    526   WORD32 gain_scaling_flag[BAND_COUNT_MAX];
    527   FLOAT32 attn_scaling[BAND_COUNT_MAX];
    528   FLOAT32 ampl_scaling[BAND_COUNT_MAX];
    529   WORD32 gain_offset_flag[BAND_COUNT_MAX];
    530   FLOAT32 gain_offset[BAND_COUNT_MAX];
    531 } ia_gain_modifiers_struct;
    532 
    533 typedef struct {
    534   WORD32 ducking_scaling_flag;
    535   FLOAT32 ducking_scaling;
    536   FLOAT32 ducking_scaling_quantized;
    537 } ia_ducking_modifiers_struct;
    538 
    539 typedef struct {
    540   WORD32 drc_set_id;
    541   WORD32 drc_set_complexity_level;
    542   WORD32 requires_eq;
    543   WORD32 drc_apply_to_dwnmix;
    544   WORD32 drc_location;
    545   WORD32 dwnmix_id_count;
    546   WORD32 downmix_id[DOWNMIX_ID_COUNT_MAX];
    547   WORD32 depends_on_drc_set_present;
    548   WORD32 depends_on_drc_set;
    549   WORD32 no_independent_use;
    550   WORD32 drc_set_effect;
    551   WORD32 gain_set_index[MAX_CHANNEL_COUNT];
    552   ia_gain_modifiers_struct
    553       str_gain_modifiers_of_ch_group[CHANNEL_GROUP_COUNT_MAX];
    554   ia_ducking_modifiers_struct
    555       str_ducking_modifiers_for_channel[MAX_CHANNEL_COUNT];
    556   WORD32 limiter_peak_target_present;
    557   FLOAT32 limiter_peak_target;
    558   WORD32 drc_set_target_loudness_present;
    559   WORD32 drc_set_target_loudness_value_upper;
    560   WORD32 drc_set_target_loudness_value_lower_present;
    561   WORD32 drc_set_target_loudness_value_lower;
    562 
    563   WORD32 audio_num_chan;
    564   WORD32 num_drc_ch_groups;
    565   WORD32 gain_set_index_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
    566   WORD32 band_count_of_ch_group[CHANNEL_GROUP_COUNT_MAX];
    567   WORD32 gain_interpolation_type_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
    568   WORD32 time_delta_min_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
    569   WORD32 time_alignment_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
    570   ia_ducking_modifiers_struct
    571       str_ducking_modifiers_for_channel_group[CHANNEL_GROUP_COUNT_MAX];
    572   WORD32 channel_group_of_ch[MAX_CHANNEL_COUNT];
    573   WORD32 num_chan_per_ch_group[CHANNEL_GROUP_COUNT_MAX];
    574   WORD32 gain_element_count;
    575   WORD32 multiband_audio_sig_count;
    576   WORD32 ch_group_parametric_drc_flag[CHANNEL_GROUP_COUNT_MAX];
    577   WORD32 gain_set_idx_of_ch_group_parametric_drc[CHANNEL_GROUP_COUNT_MAX];
    578   WORD32 parametric_drc_look_ahead_samples[CHANNEL_GROUP_COUNT_MAX];
    579   WORD32 parametric_drc_look_ahead_samples_max;
    580 } ia_drc_instructions_struct;
    581 
    582 typedef struct {
    583   WORD32 base_channel_count;
    584   WORD32 layout_signaling_present;
    585   WORD32 defined_layout;
    586   WORD32 speaker_position[SPEAKER_POS_COUNT_MAX];
    587 } ia_channel_layout_struct;
    588 typedef struct {
    589   WORD32 downmix_id;
    590   WORD32 target_channel_count;
    591   WORD32 target_layout;
    592   WORD32 downmix_coefficients_present;
    593   FLOAT32 downmix_coefficient[DOWNMIX_COEFF_COUNT_MAX];
    594 } ia_downmix_instructions_struct;
    595 typedef struct ia_drc_config {
    596   WORD32 sample_rate_present;
    597   WORD32 sampling_rate;
    598   WORD32 dwnmix_instructions_count;
    599   WORD32 drc_coefficients_drc_count;
    600   WORD32 drc_instructions_uni_drc_count;
    601   WORD32 drc_instructions_count_plus;
    602   WORD32 drc_description_basic_present;
    603   WORD32 drc_coefficients_basic_count;
    604   WORD32 drc_instructions_basic_count;
    605   WORD32 drc_config_ext_present;
    606   WORD32 apply_drc;
    607   ia_drc_config_ext str_drc_config_ext;
    608   ia_drc_coefficients_basic_struct
    609       str_drc_coefficients_basic[DRC_COEFF_COUNT_MAX];
    610   ia_drc_instructions_basic_struct
    611       str_drc_instructions_basic[DRC_INSTRUCTIONS_COUNT_MAX];
    612   ia_uni_drc_coeffs_struct
    613       str_p_loc_drc_coefficients_uni_drc[DRC_COEFF_COUNT_MAX];
    614   ia_drc_instructions_struct
    615       str_drc_instruction_str[DRC_INSTRUCTIONS_COUNT_MAX];
    616   ia_channel_layout_struct channel_layout;
    617   ia_downmix_instructions_struct
    618       dwnmix_instructions[DOWNMIX_INSTRUCTION_COUNT_MAX];
    619 } ia_drc_config;
    620 
    621 VOID ixheaacd_conf_default(ia_usac_config_struct *pstr_usac_conf);
    622 
    623 UWORD32 ixheaacd_sbr_ratio(UWORD32 core_sbr_frame_len_idx);
    624 
    625 UWORD32 ixheaacd_sbr_params(UWORD32 core_sbr_frame_len_idx,
    626                             WORD32 *output_frame_length, WORD32 *block_size,
    627                             WORD32 *output_samples, WORD32 *sampling_freq,
    628                             UWORD32 *sample_freq_indx);
    629 
    630 WORD32 ixheaacd_config(ia_bit_buf_struct *bit_buff,
    631                        ia_usac_config_struct *pstr_usac_conf, UINT32 *chan);
    632 
    633 #endif /* IXHEAACD_CONFIG_H */
    634