1f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean/* 2f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * Copyright (C) 2014 The Android Open Source Project 3f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * 4f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * Licensed under the Apache License, Version 2.0 (the "License"); 5f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * you may not use this file except in compliance with the License. 6f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * You may obtain a copy of the License at 7f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * 8f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * http://www.apache.org/licenses/LICENSE-2.0 9f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * 10f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * Unless required by applicable law or agreed to in writing, software 11f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * distributed under the License is distributed on an "AS IS" BASIS, 12f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * See the License for the specific language governing permissions and 14f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * limitations under the License. 15f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean */ 16f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 17f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean/* Automatic Gain Control implementation */ 18f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean#include "sles_allinclusive.h" 19f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 205639df9d17ff8ae0ab83f1a31187a284044689d7Mikhail Naganov#include <system/audio_effects/effect_ns.h> 21f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean/** 22f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * returns true if this interface is not associated with an initialized Noise Suppression effect 23f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean */ 24f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic inline bool NO_NOISESUPPRESS(IAndroidNoiseSuppression* v) { 25f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return (v->mNSEffect == 0); 26f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 27f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 28f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanSLresult IAndroidNoiseSuppression_SetEnabled(SLAndroidNoiseSuppressionItf self, SLboolean enabled) 29f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 30f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 31f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 32f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 33f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 34f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = (SLboolean) enabled; 35f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_NOISESUPPRESS(thiz)) { 36f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 37f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 38f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean android::status_t status = thiz->mNSEffect->setEnabled((bool) thiz->mEnabled); 39f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = android_fx_statusToResult(status); 40f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 41f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_unlock_exclusive(thiz); 42f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 43f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 44f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 45f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 46f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanSLresult IAndroidNoiseSuppression_IsEnabled(SLAndroidNoiseSuppressionItf self, SLboolean *pEnabled) 47f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 48f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 49f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 50f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NULL == pEnabled) { 51f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_PARAMETER_INVALID; 52f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 53f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 54f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 55f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_NOISESUPPRESS(thiz)) { 56f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 57f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 58f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean *pEnabled = (SLboolean) thiz->mNSEffect->getEnabled(); 59f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_SUCCESS; 60f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 61f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_unlock_exclusive(thiz); 62f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 63f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 64f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 65f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 66f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic const struct SLAndroidNoiseSuppressionItf_ IAndroidNoiseSuppression_Itf = { 67f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression_SetEnabled, 68677c796097b542e9ee6cf43a59e754f43c2370dcEric Laurent IAndroidNoiseSuppression_IsEnabled 69f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean}; 70f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 71f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidNoiseSuppression_init(void *self) 72f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 73f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 74f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mItf = &IAndroidNoiseSuppression_Itf; 75f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = SL_BOOLEAN_FALSE; 76f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean memset(&thiz->mNSDescriptor, 0, sizeof(effect_descriptor_t)); 77f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // placement new (explicit constructor) 78f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean (void) new (&thiz->mNSEffect) android::sp<android::AudioEffect>(); 79f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 80f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 81f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidNoiseSuppression_deinit(void *self) 82f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 83f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 84f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // explicit destructor 85f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mNSEffect.~sp(); 86f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 87f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 88f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanbool IAndroidNoiseSuppression_Expose(void *self) 89f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 90f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 91f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (!android_fx_initEffectDescriptor(SL_IID_ANDROIDNOISESUPPRESSION, &thiz->mNSDescriptor)) { 92f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LOGE("Noise Suppression initialization failed."); 93f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return false; 94f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 95f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return true; 96f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 97