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 20f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean#include <media/EffectsFactoryApi.h> 21f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 22f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean#include <audio_effects/effect_ns.h> 23f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean/** 24f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * returns true if this interface is not associated with an initialized Noise Suppression effect 25f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean */ 26f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic inline bool NO_NOISESUPPRESS(IAndroidNoiseSuppression* v) { 27f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return (v->mNSEffect == 0); 28f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 29f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 30f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanSLresult IAndroidNoiseSuppression_SetEnabled(SLAndroidNoiseSuppressionItf self, SLboolean enabled) 31f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 32f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 33f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 34f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 35f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 36f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = (SLboolean) enabled; 37f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_NOISESUPPRESS(thiz)) { 38f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 39f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 40f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean android::status_t status = thiz->mNSEffect->setEnabled((bool) thiz->mEnabled); 41f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = android_fx_statusToResult(status); 42f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 43f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_unlock_exclusive(thiz); 44f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 45f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 46f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 47f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 48f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanSLresult IAndroidNoiseSuppression_IsEnabled(SLAndroidNoiseSuppressionItf self, SLboolean *pEnabled) 49f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 50f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 51f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 52f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NULL == pEnabled) { 53f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_PARAMETER_INVALID; 54f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 55f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 56f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 57f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_NOISESUPPRESS(thiz)) { 58f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 59f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 60f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean *pEnabled = (SLboolean) thiz->mNSEffect->getEnabled(); 61f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_SUCCESS; 62f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 63f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_unlock_exclusive(thiz); 64f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 65f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 66f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 67f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 68f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanSLresult IAndroidNoiseSuppression_IsAvailable(SLAndroidNoiseSuppressionItf self, 69f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SLboolean *pEnabled) 70f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 71f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 72f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 73f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean *pEnabled = false; 74f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 75f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean uint32_t numEffects = 0; 76f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean int ret = EffectQueryNumberEffects(&numEffects); 77f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (ret != 0) { 78f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean ALOGE("IAndroidNoiseSuppression_IsAvailable() error %d querying number of effects", ret); 79f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_FEATURE_UNSUPPORTED; 80f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 81f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean ALOGV("EffectQueryNumberEffects() numEffects=%d", numEffects); 82f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 83f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean effect_descriptor_t fxDesc; 84f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean for (uint32_t i = 0 ; i < numEffects ; i++) { 85f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (EffectQueryEffect(i, &fxDesc) == 0) { 86f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean ALOGV("effect %d is called %s", i, fxDesc.name); 87f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (memcmp(&fxDesc.type, SL_IID_ANDROIDNOISESUPPRESSION, 88f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean sizeof(effect_uuid_t)) == 0) { 89f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean ALOGI("found effect \"%s\" from %s", fxDesc.name, fxDesc.implementor); 90f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean *pEnabled = true; 91f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean break; 92f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 93f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 94f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 95f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_SUCCESS; 96f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 97f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 98f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 99f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 100f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic const struct SLAndroidNoiseSuppressionItf_ IAndroidNoiseSuppression_Itf = { 101f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression_SetEnabled, 102f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression_IsEnabled, 103f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression_IsAvailable 104f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean}; 105f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 106f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidNoiseSuppression_init(void *self) 107f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 108f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 109f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mItf = &IAndroidNoiseSuppression_Itf; 110f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = SL_BOOLEAN_FALSE; 111f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean memset(&thiz->mNSDescriptor, 0, sizeof(effect_descriptor_t)); 112f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // placement new (explicit constructor) 113f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean (void) new (&thiz->mNSEffect) android::sp<android::AudioEffect>(); 114f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 115f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 116f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidNoiseSuppression_deinit(void *self) 117f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 118f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 119f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // explicit destructor 120f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mNSEffect.~sp(); 121f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 122f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 123f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanbool IAndroidNoiseSuppression_Expose(void *self) 124f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 125f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidNoiseSuppression *thiz = (IAndroidNoiseSuppression *) self; 126f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (!android_fx_initEffectDescriptor(SL_IID_ANDROIDNOISESUPPRESSION, &thiz->mNSDescriptor)) { 127f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LOGE("Noise Suppression initialization failed."); 128f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return false; 129f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 130f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return true; 131f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 132