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      1 /*
      2  * Copyright (C) 2010 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 /* BassBoost implementation */
     18 
     19 #include "sles_allinclusive.h"
     20 #ifdef ANDROID
     21 #include <audio_effects/effect_bassboost.h>
     22 #endif
     23 
     24 #define BASSBOOST_STRENGTH_MIN 0
     25 #define BASSBOOST_STRENGTH_MAX 1000
     26 
     27 
     28 #if defined(ANDROID)
     29 /**
     30  * returns true if this interface is not associated with an initialized BassBoost effect
     31  */
     32 static inline bool NO_BASSBOOST(IBassBoost* v) {
     33     return (v->mBassBoostEffect == 0);
     34 }
     35 #endif
     36 
     37 
     38 static SLresult IBassBoost_SetEnabled(SLBassBoostItf self, SLboolean enabled)
     39 {
     40     SL_ENTER_INTERFACE
     41 
     42     IBassBoost *thiz = (IBassBoost *) self;
     43     interface_lock_exclusive(thiz);
     44     thiz->mEnabled = (SLboolean) enabled;
     45 #if !defined(ANDROID)
     46     result = SL_RESULT_SUCCESS;
     47 #else
     48     if (NO_BASSBOOST(thiz)) {
     49         result = SL_RESULT_CONTROL_LOST;
     50     } else {
     51         android::status_t status = thiz->mBassBoostEffect->setEnabled((bool) thiz->mEnabled);
     52         result = android_fx_statusToResult(status);
     53     }
     54 #endif
     55     interface_unlock_exclusive(thiz);
     56 
     57     SL_LEAVE_INTERFACE
     58 }
     59 
     60 
     61 static SLresult IBassBoost_IsEnabled(SLBassBoostItf self, SLboolean *pEnabled)
     62 {
     63     SL_ENTER_INTERFACE
     64 
     65     if (NULL == pEnabled) {
     66         result = SL_RESULT_PARAMETER_INVALID;
     67     } else {
     68         IBassBoost *thiz = (IBassBoost *) self;
     69         interface_lock_exclusive(thiz);
     70         SLboolean enabled = thiz->mEnabled;
     71 #if !defined(ANDROID)
     72         *pEnabled = enabled;
     73         result = SL_RESULT_SUCCESS;
     74 #else
     75         if (NO_BASSBOOST(thiz)) {
     76             result = SL_RESULT_CONTROL_LOST;
     77         } else {
     78             *pEnabled = (SLboolean) thiz->mBassBoostEffect->getEnabled();
     79             result = SL_RESULT_SUCCESS;
     80         }
     81 #endif
     82         interface_unlock_exclusive(thiz);
     83     }
     84 
     85     SL_LEAVE_INTERFACE
     86 }
     87 
     88 
     89 static SLresult IBassBoost_SetStrength(SLBassBoostItf self, SLpermille strength)
     90 {
     91     SL_ENTER_INTERFACE
     92 
     93     if ((BASSBOOST_STRENGTH_MIN > strength) || (BASSBOOST_STRENGTH_MAX < strength)) {
     94         result = SL_RESULT_PARAMETER_INVALID;
     95     } else {
     96         IBassBoost *thiz = (IBassBoost *) self;
     97         interface_lock_exclusive(thiz);
     98 #if !defined(ANDROID)
     99         thiz->mStrength = strength;
    100         result = SL_RESULT_SUCCESS;
    101 #else
    102         if (NO_BASSBOOST(thiz)) {
    103             result = SL_RESULT_CONTROL_LOST;
    104         } else {
    105             android::status_t status =
    106                 android_bb_setParam(thiz->mBassBoostEffect, BASSBOOST_PARAM_STRENGTH, &strength);
    107             result = android_fx_statusToResult(status);
    108         }
    109 #endif
    110         interface_unlock_exclusive(thiz);
    111     }
    112 
    113     SL_LEAVE_INTERFACE
    114 }
    115 
    116 
    117 static SLresult IBassBoost_GetRoundedStrength(SLBassBoostItf self, SLpermille *pStrength)
    118 {
    119     SL_ENTER_INTERFACE
    120 
    121     if (NULL == pStrength) {
    122         result = SL_RESULT_PARAMETER_INVALID;
    123     } else {
    124         IBassBoost *thiz = (IBassBoost *) self;
    125         interface_lock_exclusive(thiz);
    126         SLpermille strength = thiz->mStrength;;
    127 #if !defined(ANDROID)
    128         result = SL_RESULT_SUCCESS;
    129 #else
    130         if (NO_BASSBOOST(thiz)) {
    131             result = SL_RESULT_CONTROL_LOST;
    132         } else {
    133             android::status_t status =
    134                    android_bb_getParam(thiz->mBassBoostEffect, BASSBOOST_PARAM_STRENGTH, &strength);
    135             result = android_fx_statusToResult(status);
    136         }
    137 #endif
    138         interface_unlock_exclusive(thiz);
    139         *pStrength = strength;
    140     }
    141 
    142     SL_LEAVE_INTERFACE
    143 }
    144 
    145 
    146 static SLresult IBassBoost_IsStrengthSupported(SLBassBoostItf self, SLboolean *pSupported)
    147 {
    148     SL_ENTER_INTERFACE
    149 
    150     if (NULL == pSupported) {
    151         result = SL_RESULT_PARAMETER_INVALID;
    152     } else {
    153 #if !defined(ANDROID)
    154         *pSupported = SL_BOOLEAN_TRUE;
    155         result = SL_RESULT_SUCCESS;
    156 #else
    157         IBassBoost *thiz = (IBassBoost *) self;
    158         int32_t supported = 0;
    159         interface_lock_exclusive(thiz);
    160         if (NO_BASSBOOST(thiz)) {
    161             result = SL_RESULT_CONTROL_LOST;
    162         } else {
    163             android::status_t status =
    164                 android_bb_getParam(thiz->mBassBoostEffect, BASSBOOST_PARAM_STRENGTH_SUPPORTED,
    165                         &supported);
    166             result = android_fx_statusToResult(status);
    167         }
    168         interface_unlock_exclusive(thiz);
    169         *pSupported = (SLboolean) (supported != 0);
    170 #endif
    171     }
    172 
    173     SL_LEAVE_INTERFACE
    174 }
    175 
    176 
    177 static const struct SLBassBoostItf_ IBassBoost_Itf = {
    178     IBassBoost_SetEnabled,
    179     IBassBoost_IsEnabled,
    180     IBassBoost_SetStrength,
    181     IBassBoost_GetRoundedStrength,
    182     IBassBoost_IsStrengthSupported
    183 };
    184 
    185 void IBassBoost_init(void *self)
    186 {
    187     IBassBoost *thiz = (IBassBoost *) self;
    188     thiz->mItf = &IBassBoost_Itf;
    189     thiz->mEnabled = SL_BOOLEAN_FALSE;
    190     thiz->mStrength = 0;
    191 #if defined(ANDROID)
    192     memset(&thiz->mBassBoostDescriptor, 0, sizeof(effect_descriptor_t));
    193     // placement new (explicit constructor)
    194     (void) new (&thiz->mBassBoostEffect) android::sp<android::AudioEffect>();
    195 #endif
    196 }
    197 
    198 void IBassBoost_deinit(void *self)
    199 {
    200 #if defined(ANDROID)
    201     IBassBoost *thiz = (IBassBoost *) self;
    202     // explicit destructor
    203     thiz->mBassBoostEffect.~sp();
    204 #endif
    205 }
    206 
    207 bool IBassBoost_Expose(void *self)
    208 {
    209 #if defined(ANDROID)
    210     IBassBoost *thiz = (IBassBoost *) self;
    211     if (!android_fx_initEffectDescriptor(SL_IID_BASSBOOST, &thiz->mBassBoostDescriptor)) {
    212         SL_LOGE("BassBoost initialization failed.");
    213         return false;
    214     }
    215 #endif
    216     return true;
    217 }
    218