/****************************************************************************** * * Copyright (C) 2018 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * ***************************************************************************** * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore */ #include #include #include #include "impd_type_def.h" #include "impd_drc_extr_delta_coded_info.h" #include "impd_drc_common.h" #include "impd_drc_struct.h" #include "impd_drc_interface.h" #include "impd_drc_selection_process.h" WORD32 impd_drc_sel_proc_init_dflt( ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc) { if (pstr_drc_uni_sel_proc != NULL) { pstr_drc_uni_sel_proc->first_frame = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.base_channel_count = -1; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.base_layout = -1; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.target_config_request_type = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.num_downmix_id_requests = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.album_mode = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.peak_limiter = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_normalization_on = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.target_loudness = -24.0f; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_deviation_max = LOUDNESS_DEVIATION_MAX_DEFAULT; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_measurement_method = USER_METHOD_DEFINITION_DEFAULT; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_measurement_system = USER_MEASUREMENT_SYSTEM_DEFAULT; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_pre_proc = USER_LOUDNESS_PREPROCESSING_DEFAULT; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.device_cut_off_frequency = 500; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_norm_gain_db_max = LOUDNESS_NORMALIZATION_GAIN_MAX_DEFAULT; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_norm_gain_modification_db = 0.0f; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.output_peak_level_max = 0.0f; if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.peak_limiter == 1) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.output_peak_level_max = 6.0f; } pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.dynamic_range_control_on = 1; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.num_bands_supported = 4; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.num_drc_feature_requests = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.boost = 1.f; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.compress = 1.f; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.drc_characteristic_target = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_eq_request = LOUD_EQ_REQUEST_OFF; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.eq_set_purpose_request = EQ_PURPOSE_EQ_OFF; pstr_drc_uni_sel_proc->compl_level_supported_total = COMPLEXITY_LEVEL_SUPPORTED_TOTAL; pstr_drc_uni_sel_proc->drc_inst_index_sel = -1; pstr_drc_uni_sel_proc->drc_coef_index_sel = -1; pstr_drc_uni_sel_proc->downmix_inst_index_sel = -1; pstr_drc_uni_sel_proc->drc_instructions_index[0] = -1; pstr_drc_uni_sel_proc->drc_instructions_index[1] = -1; pstr_drc_uni_sel_proc->drc_instructions_index[2] = -1; pstr_drc_uni_sel_proc->drc_instructions_index[3] = -1; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_peak_level_db = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output .loudness_normalization_gain_db = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.output_loudness = UNDEFINED_LOUDNESS_VALUE; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.num_sel_drc_sets = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.active_downmix_id = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.base_channel_count = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.target_channel_count = 0; pstr_drc_uni_sel_proc->uni_drc_sel_proc_output.downmix_matrix_present = 0; pstr_drc_uni_sel_proc->eq_inst_index[0] = -1; pstr_drc_uni_sel_proc->eq_inst_index[1] = -1; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } else { return 1; } return 0; } WORD32 impd_drc_sel_proc_init_sel_proc_params( ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc, ia_drc_sel_proc_params_struct* pstr_drc_sel_proc_params_struct) { if (pstr_drc_uni_sel_proc != NULL && pstr_drc_sel_proc_params_struct != NULL) { if (memcmp(&pstr_drc_uni_sel_proc->uni_drc_sel_proc_params, pstr_drc_sel_proc_params_struct, sizeof(ia_drc_sel_proc_params_struct))) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params = *pstr_drc_sel_proc_params_struct; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } return 0; } WORD32 impd_drc_sel_proc_init_interface_params( ia_drc_sel_pro_struct* pstr_drc_uni_sel_proc, ia_drc_interface_struct* pstr_drc_interface) { WORD32 i, j; if (pstr_drc_uni_sel_proc != NULL && pstr_drc_interface != NULL) { if (pstr_drc_interface->system_interface_flag) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .target_config_request_type != pstr_drc_interface->system_interface.target_config_request_type) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .target_config_request_type = pstr_drc_interface->system_interface.target_config_request_type; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } switch (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .target_config_request_type) { case 0: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_downmix_id_requests != pstr_drc_interface->system_interface.num_downmix_id_requests) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_downmix_id_requests = pstr_drc_interface->system_interface.num_downmix_id_requests; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } for (i = 0; i < pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_downmix_id_requests; i++) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dwnmix_id[i] != pstr_drc_interface->system_interface.requested_dwnmix_id[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dwnmix_id[i] = pstr_drc_interface->system_interface.requested_dwnmix_id[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } break; case 1: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_target_layout != pstr_drc_interface->system_interface.requested_target_layout) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_target_layout = pstr_drc_interface->system_interface.requested_target_layout; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } break; case 2: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_target_ch_count != pstr_drc_interface->system_interface.requested_target_ch_count) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_target_ch_count = pstr_drc_interface->system_interface.requested_target_ch_count; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } break; } } if (pstr_drc_interface->loudness_norm_ctrl_interface_flag) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_normalization_on != pstr_drc_interface->loudness_norm_ctrl_interface .loudness_normalization_on) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_normalization_on = pstr_drc_interface->loudness_norm_ctrl_interface .loudness_normalization_on; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_normalization_on) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.target_loudness != pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.target_loudness = pstr_drc_interface->loudness_norm_ctrl_interface.target_loudness; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } } if (pstr_drc_interface->loudness_norm_parameter_interface_flag) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.album_mode != pstr_drc_interface->loudness_norm_param_interface.album_mode) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.album_mode = pstr_drc_interface->loudness_norm_param_interface.album_mode; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.peak_limiter != pstr_drc_interface->loudness_norm_param_interface.peak_limiter) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.peak_limiter = pstr_drc_interface->loudness_norm_param_interface.peak_limiter; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_deviation_max) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_deviation_max != pstr_drc_interface->loudness_norm_param_interface .loudness_deviation_max) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_deviation_max = pstr_drc_interface->loudness_norm_param_interface .loudness_deviation_max; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_measur_method) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_method != pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_method) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_method = pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_method; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_measur_pre_proc) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_pre_proc != pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_pre_proc) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_pre_proc = pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_pre_proc; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_measur_system) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_system != pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_system) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_measurement_system = pstr_drc_interface->loudness_norm_param_interface .loudness_measurement_system; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_device_cut_off_freq) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .device_cut_off_frequency != pstr_drc_interface->loudness_norm_param_interface .device_cut_off_frequency) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .device_cut_off_frequency = pstr_drc_interface->loudness_norm_param_interface .device_cut_off_frequency; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_norm_gain_db_max) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_norm_gain_db_max != pstr_drc_interface->loudness_norm_param_interface .loudness_norm_gain_db_max) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_norm_gain_db_max = pstr_drc_interface->loudness_norm_param_interface .loudness_norm_gain_db_max; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_loudness_norm_gain_modification_db) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_norm_gain_modification_db != pstr_drc_interface->loudness_norm_param_interface .loudness_norm_gain_modification_db) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .loudness_norm_gain_modification_db = pstr_drc_interface->loudness_norm_param_interface .loudness_norm_gain_modification_db; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->loudness_norm_param_interface .change_output_peak_level_max) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .output_peak_level_max != pstr_drc_interface->loudness_norm_param_interface .output_peak_level_max) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.output_peak_level_max = pstr_drc_interface->loudness_norm_param_interface .output_peak_level_max; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } } if (pstr_drc_interface->drc_interface_flag) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .dynamic_range_control_on != pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .dynamic_range_control_on = pstr_drc_interface->drc_ctrl_interface.dynamic_range_control_on; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; if (!pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .dynamic_range_control_on) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_drc_feature_requests = 0; } } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .dynamic_range_control_on) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_drc_feature_requests != pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_drc_feature_requests = pstr_drc_interface->drc_ctrl_interface.num_drc_feature_requests; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } for (i = 0; i < pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .num_drc_feature_requests; i++) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .drc_feature_req_type[i] != pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .drc_feature_req_type[i] = pstr_drc_interface->drc_ctrl_interface.drc_feature_req_type[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } switch (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .drc_feature_req_type[i]) { case 0: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_num_drc_effects[i] != pstr_drc_interface->drc_ctrl_interface .requested_num_drc_effects[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_num_drc_effects[i] = pstr_drc_interface->drc_ctrl_interface .requested_num_drc_effects[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .desired_num_drc_effects_of_requested[i] != pstr_drc_interface->drc_ctrl_interface .desired_num_drc_effects_of_requested[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .desired_num_drc_effects_of_requested[i] = pstr_drc_interface->drc_ctrl_interface .desired_num_drc_effects_of_requested[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } for (j = 0; j < pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_num_drc_effects[i]; j++) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_drc_effect_type[i][j] != pstr_drc_interface->drc_ctrl_interface .requested_drc_effect_type[i][j]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_drc_effect_type[i][j] = pstr_drc_interface->drc_ctrl_interface .requested_drc_effect_type[i][j]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } break; case 1: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_measur_type[i] != pstr_drc_interface->drc_ctrl_interface .requested_dyn_rng_measurement_type[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_measur_type[i] = pstr_drc_interface->drc_ctrl_interface .requested_dyn_rng_measurement_type[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_range_flag[i] != pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_is_single_val_flag[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_range_flag[i] = pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_is_single_val_flag[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_range_flag[i] == 0) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_value[i] != pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_value[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_value[i] = pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_value[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } else { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_min_val[i] != pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_min_val[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_min_val[i] = pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_min_val[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_max_val[i] != pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_max_val[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_dyn_range_max_val[i] = pstr_drc_interface->drc_ctrl_interface .requested_dyn_range_max_val[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } break; case 2: if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_drc_characteristic[i] != pstr_drc_interface->drc_ctrl_interface .requested_drc_characteristic[i]) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .requested_drc_characteristic[i] = pstr_drc_interface->drc_ctrl_interface .requested_drc_characteristic[i]; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } break; } } } } if (pstr_drc_interface->drc_parameter_interface_flag) { if (pstr_drc_interface->drc_parameter_interface.change_compress) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.compress != pstr_drc_interface->drc_parameter_interface.compress) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.compress = pstr_drc_interface->drc_parameter_interface.compress; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->drc_parameter_interface.change_boost) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.boost != pstr_drc_interface->drc_parameter_interface.boost) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.boost = pstr_drc_interface->drc_parameter_interface.boost; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } if (pstr_drc_interface->drc_parameter_interface .change_drc_characteristic_target) { if (pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .drc_characteristic_target != pstr_drc_interface->drc_parameter_interface .drc_characteristic_target) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params .drc_characteristic_target = pstr_drc_interface->drc_parameter_interface .drc_characteristic_target; pstr_drc_uni_sel_proc->sel_proc_request_flag = 1; } } } if (pstr_drc_interface->drc_uni_interface_ext_flag) { ia_drc_uni_interface_ext_struct* drc_uni_interface_ext = &pstr_drc_interface->drc_uni_interface_ext; if (drc_uni_interface_ext->loudness_eq_parameter_interface_flag) { ia_loudness_eq_parameter_interface_struct* loudness_eq_parameter_interface = &drc_uni_interface_ext->loudness_eq_parameter_interface; if (loudness_eq_parameter_interface->loudness_eq_request_flag) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.loudness_eq_request = loudness_eq_parameter_interface->loudness_eq_request; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.sensitivity = loudness_eq_parameter_interface->sensitivity; pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.playback_gain = loudness_eq_parameter_interface->playback_gain; } } if (drc_uni_interface_ext->eq_ctrl_interface_flag) { pstr_drc_uni_sel_proc->uni_drc_sel_proc_params.eq_set_purpose_request = drc_uni_interface_ext->eq_ctrl_interface.eq_set_purpose_request; } } } return 0; }