/* * Copyright (C) 2017 Amlogic Corporation. * * 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. */ #define LOG_TAG "audio_hw_input_tv" #include #include #include "aml_noise_gate.h" #include "device_patch_mgr.h" #include "aml_ng.h" #include "aml_audio_log.h" bool is_ng_enable(struct component_noise_gate *noise_gate) { if (NULL == noise_gate) { AM_LOGE("noise_gate is NULL, needs check it!!"); return false; } return (noise_gate->aml_ng_enable != 0 ? true : false); } void *get_ng_handle(struct component_noise_gate *noise_gate) { if (NULL == noise_gate) { AM_LOGE("noise_gate is NULL, needs check it!!"); return NULL; } return noise_gate->aml_ng_handle; } void aml_noise_gate_init(struct component_noise_gate *noise_gate) { #ifdef USE_EQ_DRC if (NULL == noise_gate) { AM_LOGE("noise_gate is NULL, needs check it!!"); return; } if (noise_gate->aml_ng_enable) { noise_gate->aml_ng_handle = init_noise_gate(noise_gate->aml_ng_level, noise_gate->aml_ng_attack_time, noise_gate->aml_ng_release_time); AM_LOGI("init amlogic noise gate: level: %fdB, attack_time = %dms, release_time = %dms", noise_gate->aml_ng_level, noise_gate->aml_ng_attack_time, noise_gate->aml_ng_release_time); } #endif return; } void aml_noise_gate_deinit(struct component_noise_gate *noise_gate) { #ifdef USE_EQ_DRC if (NULL == noise_gate) { AM_LOGE("noise_gate is NULL, needs check it!!"); return; } if (noise_gate->aml_ng_handle) { release_noise_gate(noise_gate->aml_ng_handle); noise_gate->aml_ng_handle = NULL; AM_LOGI("release amlogic noise gate successful"); } #endif return; } int aml_noise_gate_process(struct component_noise_gate *noise_gate, void *buffer, int samples, int sample_size) { int ret = 0; #ifdef USE_EQ_DRC if (NULL == noise_gate || NULL == buffer || samples <= 0 || sample_size<= 0) { AM_LOGE("noise_gate or buffer is NULL / samples <= 0 / sample_size<= 0, needs check it!!"); return ret; } void *ng_handle = get_ng_handle(noise_gate); if (NULL != ng_handle) { ret = noise_evaluation(ng_handle, buffer, samples, sample_size); } #endif return ret; } void aml_noise_gate_set_param(struct component_noise_gate *noise_gate, int aml_ng_enable, float noise_level, int attack_time, int release_time) { if (NULL == noise_gate) { AM_LOGE("noise_gate is NULL, needs check it!!"); return; } noise_gate->aml_ng_level = noise_level; noise_gate->aml_ng_enable = aml_ng_enable; noise_gate->aml_ng_attack_time = attack_time; noise_gate->aml_ng_release_time = release_time; AM_LOGI(" audio noise gate level: %fdB, attack_time = %dms, release_time = %dms, aml_ng_enable = %d", noise_level, attack_time, release_time, aml_ng_enable); return; }