| /* |
| * Copyright (C) 2010 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. |
| */ |
| |
| /* Virtualizer implementation */ |
| |
| #include "sles_allinclusive.h" |
| #ifdef ANDROID |
| #include <audio_effects/effect_virtualizer.h> |
| #endif |
| |
| #define VIRTUALIZER_STRENGTH_MIN 0 |
| #define VIRTUALIZER_STRENGTH_MAX 1000 |
| |
| |
| #if defined(ANDROID) |
| /** |
| * returns true if this interface is not associated with an initialized Virtualizer effect |
| */ |
| static inline bool NO_VIRTUALIZER(IVirtualizer* v) { |
| return (v->mVirtualizerEffect == 0); |
| } |
| #endif |
| |
| |
| static SLresult IVirtualizer_SetEnabled(SLVirtualizerItf self, SLboolean enabled) |
| { |
| SL_ENTER_INTERFACE |
| |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| interface_lock_exclusive(thiz); |
| thiz->mEnabled = (SLboolean) enabled; |
| #if !defined(ANDROID) |
| result = SL_RESULT_SUCCESS; |
| #else |
| if (NO_VIRTUALIZER(thiz)) { |
| result = SL_RESULT_CONTROL_LOST; |
| } else { |
| android::status_t status = |
| thiz->mVirtualizerEffect->setEnabled((bool) thiz->mEnabled); |
| result = android_fx_statusToResult(status); |
| } |
| #endif |
| interface_unlock_exclusive(thiz); |
| |
| SL_LEAVE_INTERFACE |
| |
| } |
| |
| |
| static SLresult IVirtualizer_IsEnabled(SLVirtualizerItf self, SLboolean *pEnabled) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (NULL == pEnabled) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| interface_lock_exclusive(thiz); |
| SLboolean enabled = thiz->mEnabled; |
| #if !defined(ANDROID) |
| *pEnabled = enabled; |
| result = SL_RESULT_SUCCESS; |
| #else |
| if (NO_VIRTUALIZER(thiz)) { |
| result = SL_RESULT_CONTROL_LOST; |
| } else { |
| *pEnabled = (SLboolean) thiz->mVirtualizerEffect->getEnabled(); |
| result = SL_RESULT_SUCCESS; |
| } |
| #endif |
| interface_unlock_exclusive(thiz); |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IVirtualizer_SetStrength(SLVirtualizerItf self, SLpermille strength) |
| { |
| SL_ENTER_INTERFACE |
| |
| if ((VIRTUALIZER_STRENGTH_MIN > strength) || (VIRTUALIZER_STRENGTH_MAX < strength)) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| interface_lock_exclusive(thiz); |
| #if !defined(ANDROID) |
| thiz->mStrength = strength; |
| result = SL_RESULT_SUCCESS; |
| #else |
| if (NO_VIRTUALIZER(thiz)) { |
| result = SL_RESULT_CONTROL_LOST; |
| } else { |
| android::status_t status = android_virt_setParam(thiz->mVirtualizerEffect, |
| VIRTUALIZER_PARAM_STRENGTH, &strength); |
| result = android_fx_statusToResult(status); |
| } |
| #endif |
| interface_unlock_exclusive(thiz); |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IVirtualizer_GetRoundedStrength(SLVirtualizerItf self, SLpermille *pStrength) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (NULL == pStrength) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| interface_lock_exclusive(thiz); |
| SLpermille strength = thiz->mStrength;; |
| #if !defined(ANDROID) |
| result = SL_RESULT_SUCCESS; |
| #else |
| if (NO_VIRTUALIZER(thiz)) { |
| result = SL_RESULT_CONTROL_LOST; |
| } else { |
| android::status_t status = android_virt_getParam(thiz->mVirtualizerEffect, |
| VIRTUALIZER_PARAM_STRENGTH, &strength); |
| result = android_fx_statusToResult(status); |
| } |
| #endif |
| interface_unlock_exclusive(thiz); |
| *pStrength = strength; |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static SLresult IVirtualizer_IsStrengthSupported(SLVirtualizerItf self, SLboolean *pSupported) |
| { |
| SL_ENTER_INTERFACE |
| |
| if (NULL == pSupported) { |
| result = SL_RESULT_PARAMETER_INVALID; |
| } else { |
| #if !defined(ANDROID) |
| *pSupported = SL_BOOLEAN_TRUE; |
| result = SL_RESULT_SUCCESS; |
| #else |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| int32_t supported = 0; |
| interface_lock_exclusive(thiz); |
| if (NO_VIRTUALIZER(thiz)) { |
| result = SL_RESULT_CONTROL_LOST; |
| } else { |
| android::status_t status = |
| android_virt_getParam(thiz->mVirtualizerEffect, |
| VIRTUALIZER_PARAM_STRENGTH_SUPPORTED, &supported); |
| result = android_fx_statusToResult(status); |
| } |
| interface_unlock_exclusive(thiz); |
| *pSupported = (SLboolean) (supported != 0); |
| #endif |
| } |
| |
| SL_LEAVE_INTERFACE |
| } |
| |
| |
| static const struct SLVirtualizerItf_ IVirtualizer_Itf = { |
| IVirtualizer_SetEnabled, |
| IVirtualizer_IsEnabled, |
| IVirtualizer_SetStrength, |
| IVirtualizer_GetRoundedStrength, |
| IVirtualizer_IsStrengthSupported |
| }; |
| |
| void IVirtualizer_init(void *self) |
| { |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| thiz->mItf = &IVirtualizer_Itf; |
| thiz->mEnabled = SL_BOOLEAN_FALSE; |
| thiz->mStrength = 0; |
| #if defined(ANDROID) |
| memset(&thiz->mVirtualizerDescriptor, 0, sizeof(effect_descriptor_t)); |
| // placement new (explicit constructor) |
| (void) new (&thiz->mVirtualizerEffect) android::sp<android::AudioEffect>(); |
| #endif |
| } |
| |
| void IVirtualizer_deinit(void *self) |
| { |
| #if defined(ANDROID) |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| // explicit destructor |
| thiz->mVirtualizerEffect.~sp(); |
| #endif |
| } |
| |
| bool IVirtualizer_Expose(void *self) |
| { |
| #if defined(ANDROID) |
| IVirtualizer *thiz = (IVirtualizer *) self; |
| if (!android_fx_initEffectDescriptor(SL_IID_VIRTUALIZER, &thiz->mVirtualizerDescriptor)) { |
| SL_LOGE("Virtualizer initialization failed."); |
| return false; |
| } |
| #endif |
| return true; |
| } |