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_agc.h> 21f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 22f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean/** 23f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean * returns true if this interface is not associated with an initialized AGC effect 24f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean */ 25f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic inline bool NO_AUTOGAIN(IAndroidAutomaticGainControl* v) { 26f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return (v->mAGCEffect == 0); 27f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 28f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 290c7022072205ec9790a5b2c1b626096fc4cba74dGlenn KastenSLresult IAndroidAutomaticGainControl_SetEnabled(SLAndroidAutomaticGainControlItf self, 300c7022072205ec9790a5b2c1b626096fc4cba74dGlenn Kasten SLboolean enabled) 31f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 32f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 33f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 34f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl *thiz = (IAndroidAutomaticGainControl *) self; 35f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 36f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = (SLboolean) enabled; 37f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_AUTOGAIN(thiz)) { 38f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 39f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 40f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean android::status_t status = thiz->mAGCEffect->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 480c7022072205ec9790a5b2c1b626096fc4cba74dGlenn KastenSLresult IAndroidAutomaticGainControl_IsEnabled(SLAndroidAutomaticGainControlItf self, 490c7022072205ec9790a5b2c1b626096fc4cba74dGlenn Kasten SLboolean *pEnabled) 50f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 51f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_ENTER_INTERFACE 52f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 53f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NULL == pEnabled) { 54f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_PARAMETER_INVALID; 55f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 56f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl *thiz = (IAndroidAutomaticGainControl *) self; 57f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_lock_exclusive(thiz); 58f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (NO_AUTOGAIN(thiz)) { 59f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_CONTROL_LOST; 60f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } else { 61f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean *pEnabled = (SLboolean) thiz->mAGCEffect->getEnabled(); 62f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean result = SL_RESULT_SUCCESS; 63f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 64f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean interface_unlock_exclusive(thiz); 65f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 66f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LEAVE_INTERFACE 67f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 68f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 69f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanstatic const struct SLAndroidAutomaticGainControlItf_ IAndroidAutomaticGainControl_Itf = { 70f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl_SetEnabled, 71677c796097b542e9ee6cf43a59e754f43c2370dcEric Laurent IAndroidAutomaticGainControl_IsEnabled 72f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean}; 73f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 74f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidAutomaticGainControl_init(void *self) 75f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 76f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl *thiz = (IAndroidAutomaticGainControl *) self; 77f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mItf = &IAndroidAutomaticGainControl_Itf; 78f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mEnabled = SL_BOOLEAN_FALSE; 79f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean memset(&thiz->mAGCDescriptor, 0, sizeof(effect_descriptor_t)); 80f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // placement new (explicit constructor) 81f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean (void) new (&thiz->mAGCEffect) android::sp<android::AudioEffect>(); 82f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 83f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 84f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanvoid IAndroidAutomaticGainControl_deinit(void *self) 85f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 86f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl *thiz = (IAndroidAutomaticGainControl *) self; 87f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean // explicit destructor 88f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean thiz->mAGCEffect.~sp(); 89f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 90f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean 91f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLeanbool IAndroidAutomaticGainControl_Expose(void *self) 92f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean{ 93f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean IAndroidAutomaticGainControl *thiz = (IAndroidAutomaticGainControl *) self; 94f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean if (!android_fx_initEffectDescriptor(SL_IID_ANDROIDAUTOMATICGAINCONTROL, 95f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean &thiz->mAGCDescriptor)) { 96f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean SL_LOGE("Automatic Gain Control initialization failed."); 97f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return false; 98f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean } 99f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean return true; 100f8b3141926967ba37d315cc8d3956d7214958e6bPaul McLean} 101